25999160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1597}}^1$

素因数の和:1656

約数の個数: 64

約数和(自身を含む): 65581920

約数和(自身を除く): 39582760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 1480, 1597, 1628, 2035, 3194, 3256, 4070, 6388, 7985, 8140, 12776, 15970, 16280, 17567, 31940, 35134, 59089, 63880, 70268, 87835, 118178, 140536, 175670, 236356, 295445, 351340, 472712, 590890, 649979, 702680, 1181780, 1299958, 2363560, 2599916, 3249895, 5199832, 6499790, 12999580, 25999160]

約数ペア:

[(1, 25999160), (2, 12999580), (4, 6499790), (5, 5199832), (8, 3249895), (10, 2599916), (11, 2363560), (20, 1299958), (22, 1181780), (37, 702680), (40, 649979), (44, 590890), (55, 472712), (74, 351340), (88, 295445), (110, 236356), (148, 175670), (185, 140536), (220, 118178), (296, 87835), (370, 70268), (407, 63880), (440, 59089), (740, 35134), (814, 31940), (1480, 17567), (1597, 16280), (1628, 15970), (2035, 12776), (3194, 8140), (3256, 7985), (4070, 6388)]