4090840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7867}}^1$

素因数の和:7891

約数の個数: 32

約数和(自身を含む): 9913680

約数和(自身を除く): 5822840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 7867, 15734, 31468, 39335, 62936, 78670, 102271, 157340, 204542, 314680, 409084, 511355, 818168, 1022710, 2045420, 4090840]

約数ペア:

[(1, 4090840), (2, 2045420), (4, 1022710), (5, 818168), (8, 511355), (10, 409084), (13, 314680), (20, 204542), (26, 157340), (40, 102271), (52, 78670), (65, 62936), (104, 39335), (130, 31468), (260, 15734), (520, 7867)]