71035780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{86629}}^1$

素因数の和:86679

約数の個数: 24

約数和(自身を含む): 152815320

約数和(自身を除く): 81779540

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 86629, 173258, 346516, 433145, 866290, 1732580, 3551789, 7103578, 14207156, 17758945, 35517890, 71035780]

約数ペア:

[(1, 71035780), (2, 35517890), (4, 17758945), (5, 14207156), (10, 7103578), (20, 3551789), (41, 1732580), (82, 866290), (164, 433145), (205, 346516), (410, 173258), (820, 86629)]