205110880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3181}}^1$

素因数の和:3240

約数の個数: 96

約数和(自身を含む): 538852608

約数和(自身を除く): 333741728

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 403, 416, 496, 520, 620, 806, 992, 1040, 1240, 1612, 2015, 2080, 2480, 3181, 3224, 4030, 4960, 6362, 6448, 8060, 12724, 12896, 15905, 16120, 25448, 31810, 32240, 41353, 50896, 63620, 64480, 82706, 98611, 101792, 127240, 165412, 197222, 206765, 254480, 330824, 394444, 413530, 493055, 508960, 661648, 788888, 827060, 986110, 1281943, 1323296, 1577776, 1654120, 1972220, 2563886, 3155552, 3308240, 3944440, 5127772, 6409715, 6616480, 7888880, 10255544, 12819430, 15777760, 20511088, 25638860, 41022176, 51277720, 102555440, 205110880]

約数ペア:

[(1, 205110880), (2, 102555440), (4, 51277720), (5, 41022176), (8, 25638860), (10, 20511088), (13, 15777760), (16, 12819430), (20, 10255544), (26, 7888880), (31, 6616480), (32, 6409715), (40, 5127772), (52, 3944440), (62, 3308240), (65, 3155552), (80, 2563886), (104, 1972220), (124, 1654120), (130, 1577776), (155, 1323296), (160, 1281943), (208, 986110), (248, 827060), (260, 788888), (310, 661648), (403, 508960), (416, 493055), (496, 413530), (520, 394444), (620, 330824), (806, 254480), (992, 206765), (1040, 197222), (1240, 165412), (1612, 127240), (2015, 101792), (2080, 98611), (2480, 82706), (3181, 64480), (3224, 63620), (4030, 50896), (4960, 41353), (6362, 32240), (6448, 31810), (8060, 25448), (12724, 16120), (12896, 15905)]