20165202560

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{5261}}^1$

素因数の和:5446

約数の個数: 128

約数和(自身を含む): 49561094160

約数和(自身を除く): 29395891600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 113, 128, 160, 212, 226, 265, 320, 424, 452, 530, 565, 640, 848, 904, 1060, 1130, 1696, 1808, 2120, 2260, 3392, 3616, 4240, 4520, 5261, 5989, 6784, 7232, 8480, 9040, 10522, 11978, 14464, 16960, 18080, 21044, 23956, 26305, 29945, 33920, 36160, 42088, 47912, 52610, 59890, 72320, 84176, 95824, 105220, 119780, 168352, 191648, 210440, 239560, 278833, 336704, 383296, 420880, 479120, 557666, 594493, 673408, 766592, 841760, 958240, 1115332, 1188986, 1394165, 1683520, 1916480, 2230664, 2377972, 2788330, 2972465, 3367040, 3832960, 4461328, 4755944, 5576660, 5944930, 8922656, 9511888, 11153320, 11889860, 17845312, 19023776, 22306640, 23779720, 31508129, 35690624, 38047552, 44613280, 47559440, 63016258, 76095104, 89226560, 95118880, 126032516, 157540645, 178453120, 190237760, 252065032, 315081290, 380475520, 504130064, 630162580, 1008260128, 1260325160, 2016520256, 2520650320, 4033040512, 5041300640, 10082601280, 20165202560]

約数ペア:

[(1, 20165202560), (2, 10082601280), (4, 5041300640), (5, 4033040512), (8, 2520650320), (10, 2016520256), (16, 1260325160), (20, 1008260128), (32, 630162580), (40, 504130064), (53, 380475520), (64, 315081290), (80, 252065032), (106, 190237760), (113, 178453120), (128, 157540645), (160, 126032516), (212, 95118880), (226, 89226560), (265, 76095104), (320, 63016258), (424, 47559440), (452, 44613280), (530, 38047552), (565, 35690624), (640, 31508129), (848, 23779720), (904, 22306640), (1060, 19023776), (1130, 17845312), (1696, 11889860), (1808, 11153320), (2120, 9511888), (2260, 8922656), (3392, 5944930), (3616, 5576660), (4240, 4755944), (4520, 4461328), (5261, 3832960), (5989, 3367040), (6784, 2972465), (7232, 2788330), (8480, 2377972), (9040, 2230664), (10522, 1916480), (11978, 1683520), (14464, 1394165), (16960, 1188986), (18080, 1115332), (21044, 958240), (23956, 841760), (26305, 766592), (29945, 673408), (33920, 594493), (36160, 557666), (42088, 479120), (47912, 420880), (52610, 383296), (59890, 336704), (72320, 278833), (84176, 239560), (95824, 210440), (105220, 191648), (119780, 168352)]