51581690

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{1297}}^1$

素因数の和:1442

約数の個数: 32

約数和(自身を含む): 96166224

約数和(自身を除く): 44584534

約数列:

[1, 2, 5, 10, 41, 82, 97, 194, 205, 410, 485, 970, 1297, 2594, 3977, 6485, 7954, 12970, 19885, 39770, 53177, 106354, 125809, 251618, 265885, 531770, 629045, 1258090, 5158169, 10316338, 25790845, 51581690]

約数ペア:

[(1, 51581690), (2, 25790845), (5, 10316338), (10, 5158169), (41, 1258090), (82, 629045), (97, 531770), (194, 265885), (205, 251618), (410, 125809), (485, 106354), (970, 53177), (1297, 39770), (2594, 19885), (3977, 12970), (6485, 7954)]