645037010

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1213}}^1\times {\mathrm{1297}}^1$

素因数の和:2558

約数の個数: 32

約数和(自身を含む): 1191283632

約数和(自身を除く): 546246622

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 1213, 1297, 2426, 2594, 6065, 6485, 12130, 12970, 49733, 53177, 99466, 106354, 248665, 265885, 497330, 531770, 1573261, 3146522, 7866305, 15732610, 64503701, 129007402, 322518505, 645037010]

約数ペア:

[(1, 645037010), (2, 322518505), (5, 129007402), (10, 64503701), (41, 15732610), (82, 7866305), (205, 3146522), (410, 1573261), (1213, 531770), (1297, 497330), (2426, 265885), (2594, 248665), (6065, 106354), (6485, 99466), (12130, 53177), (12970, 49733)]