20164579360

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{22469}}^1$

素因数の和:22634

約数の個数: 96

約数和(自身を含む): 48923481600

約数和(自身を除く): 28758902240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 79, 80, 142, 158, 160, 284, 316, 355, 395, 568, 632, 710, 790, 1136, 1264, 1420, 1580, 2272, 2528, 2840, 3160, 5609, 5680, 6320, 11218, 11360, 12640, 22436, 22469, 28045, 44872, 44938, 56090, 89744, 89876, 112180, 112345, 179488, 179752, 224360, 224690, 359504, 448720, 449380, 719008, 897440, 898760, 1595299, 1775051, 1797520, 3190598, 3550102, 3595040, 6381196, 7100204, 7976495, 8875255, 12762392, 14200408, 15952990, 17750510, 25524784, 28400816, 31905980, 35501020, 51049568, 56801632, 63811960, 71002040, 126028621, 127623920, 142004080, 252057242, 255247840, 284008160, 504114484, 630143105, 1008228968, 1260286210, 2016457936, 2520572420, 4032915872, 5041144840, 10082289680, 20164579360]

約数ペア:

[(1, 20164579360), (2, 10082289680), (4, 5041144840), (5, 4032915872), (8, 2520572420), (10, 2016457936), (16, 1260286210), (20, 1008228968), (32, 630143105), (40, 504114484), (71, 284008160), (79, 255247840), (80, 252057242), (142, 142004080), (158, 127623920), (160, 126028621), (284, 71002040), (316, 63811960), (355, 56801632), (395, 51049568), (568, 35501020), (632, 31905980), (710, 28400816), (790, 25524784), (1136, 17750510), (1264, 15952990), (1420, 14200408), (1580, 12762392), (2272, 8875255), (2528, 7976495), (2840, 7100204), (3160, 6381196), (5609, 3595040), (5680, 3550102), (6320, 3190598), (11218, 1797520), (11360, 1775051), (12640, 1595299), (22436, 898760), (22469, 897440), (28045, 719008), (44872, 449380), (44938, 448720), (56090, 359504), (89744, 224690), (89876, 224360), (112180, 179752), (112345, 179488)]