51380290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{347}}^1$

素因数の和:451

約数の個数: 64

約数和(自身を含む): 107339904

約数和(自身を除く): 55959614

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 67, 85, 130, 134, 170, 221, 335, 347, 442, 670, 694, 871, 1105, 1139, 1735, 1742, 2210, 2278, 3470, 4355, 4511, 5695, 5899, 8710, 9022, 11390, 11798, 14807, 22555, 23249, 29495, 29614, 45110, 46498, 58990, 74035, 76687, 116245, 148070, 153374, 232490, 302237, 383435, 395233, 604474, 766870, 790466, 1511185, 1976165, 3022370, 3952330, 5138029, 10276058, 25690145, 51380290]

約数ペア:

[(1, 51380290), (2, 25690145), (5, 10276058), (10, 5138029), (13, 3952330), (17, 3022370), (26, 1976165), (34, 1511185), (65, 790466), (67, 766870), (85, 604474), (130, 395233), (134, 383435), (170, 302237), (221, 232490), (335, 153374), (347, 148070), (442, 116245), (670, 76687), (694, 74035), (871, 58990), (1105, 46498), (1139, 45110), (1735, 29614), (1742, 29495), (2210, 23249), (2278, 22555), (3470, 14807), (4355, 11798), (4511, 11390), (5695, 9022), (5899, 8710)]