25962640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1$

素因数の和:368

約数の個数: 80

約数和(自身を含む): 66620736

約数和(自身を除く): 40658096

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 163, 176, 181, 220, 326, 362, 440, 652, 724, 815, 880, 905, 1304, 1448, 1630, 1793, 1810, 1991, 2608, 2896, 3260, 3586, 3620, 3982, 6520, 7172, 7240, 7964, 8965, 9955, 13040, 14344, 14480, 15928, 17930, 19910, 28688, 29503, 31856, 35860, 39820, 59006, 71720, 79640, 118012, 143440, 147515, 159280, 236024, 295030, 324533, 472048, 590060, 649066, 1180120, 1298132, 1622665, 2360240, 2596264, 3245330, 5192528, 6490660, 12981320, 25962640]

約数ペア:

[(1, 25962640), (2, 12981320), (4, 6490660), (5, 5192528), (8, 3245330), (10, 2596264), (11, 2360240), (16, 1622665), (20, 1298132), (22, 1180120), (40, 649066), (44, 590060), (55, 472048), (80, 324533), (88, 295030), (110, 236024), (163, 159280), (176, 147515), (181, 143440), (220, 118012), (326, 79640), (362, 71720), (440, 59006), (652, 39820), (724, 35860), (815, 31856), (880, 29503), (905, 28688), (1304, 19910), (1448, 17930), (1630, 15928), (1793, 14480), (1810, 14344), (1991, 13040), (2608, 9955), (2896, 8965), (3260, 7964), (3586, 7240), (3620, 7172), (3982, 6520)]