70955420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{86531}}^1$

素因数の和:86581

約数の個数: 24

約数和(自身を含む): 152642448

約数和(自身を除く): 81687028

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 86531, 173062, 346124, 432655, 865310, 1730620, 3547771, 7095542, 14191084, 17738855, 35477710, 70955420]

約数ペア:

[(1, 70955420), (2, 35477710), (4, 17738855), (5, 14191084), (10, 7095542), (20, 3547771), (41, 1730620), (82, 865310), (164, 432655), (205, 346124), (410, 173062), (820, 86531)]