415924990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{8059}}^1$

素因数の和:8476

約数の個数: 32

約数和(自身を含む): 808385760

約数和(自身を除く): 392460770

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 397, 794, 1985, 3970, 5161, 8059, 10322, 16118, 25805, 40295, 51610, 80590, 104767, 209534, 523835, 1047670, 3199423, 6398846, 15997115, 31994230, 41592499, 83184998, 207962495, 415924990]

約数ペア:

[(1, 415924990), (2, 207962495), (5, 83184998), (10, 41592499), (13, 31994230), (26, 15997115), (65, 6398846), (130, 3199423), (397, 1047670), (794, 523835), (1985, 209534), (3970, 104767), (5161, 80590), (8059, 51610), (10322, 40295), (16118, 25805)]