81024320

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19477}}^1$

素因数の和:19507

約数の個数: 56

約数和(自身を含む): 207791304

約数和(自身を除く): 126766984

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 19477, 38954, 77908, 97385, 155816, 194770, 253201, 311632, 389540, 506402, 623264, 779080, 1012804, 1246528, 1266005, 1558160, 2025608, 2532010, 3116320, 4051216, 5064020, 6232640, 8102432, 10128040, 16204864, 20256080, 40512160, 81024320]

約数ペア:

[(1, 81024320), (2, 40512160), (4, 20256080), (5, 16204864), (8, 10128040), (10, 8102432), (13, 6232640), (16, 5064020), (20, 4051216), (26, 3116320), (32, 2532010), (40, 2025608), (52, 1558160), (64, 1266005), (65, 1246528), (80, 1012804), (104, 779080), (130, 623264), (160, 506402), (208, 389540), (260, 311632), (320, 253201), (416, 194770), (520, 155816), (832, 97385), (1040, 77908), (2080, 38954), (4160, 19477)]