261625130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{24247}}^1$

素因数の和:24350

約数の個数: 32

約数和(自身を含む): 513281664

約数和(自身を除く): 251656534

約数列:

[1, 2, 5, 10, 13, 26, 65, 83, 130, 166, 415, 830, 1079, 2158, 5395, 10790, 24247, 48494, 121235, 242470, 315211, 630422, 1576055, 2012501, 3152110, 4025002, 10062505, 20125010, 26162513, 52325026, 130812565, 261625130]

約数ペア:

[(1, 261625130), (2, 130812565), (5, 52325026), (10, 26162513), (13, 20125010), (26, 10062505), (65, 4025002), (83, 3152110), (130, 2012501), (166, 1576055), (415, 630422), (830, 315211), (1079, 242470), (2158, 121235), (5395, 48494), (10790, 24247)]