205878014780

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{130302541}}^1$

素因数の和:130302629

約数の個数: 24

約数和(自身を含む): 437816541120

約数和(自身を除く): 231938526340

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 130302541, 260605082, 521210164, 651512705, 1303025410, 2606050820, 10293900739, 20587801478, 41175602956, 51469503695, 102939007390, 205878014780]

約数ペア:

[(1, 205878014780), (2, 102939007390), (4, 51469503695), (5, 41175602956), (10, 20587801478), (20, 10293900739), (79, 2606050820), (158, 1303025410), (316, 651512705), (395, 521210164), (790, 260605082), (1580, 130302541)]