42989960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1759}}^1$

素因数の和:1830

約数の個数: 64

約数和(自身を含む): 106444800

約数和(自身を除く): 63454840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 188, 235, 260, 376, 470, 520, 611, 940, 1222, 1759, 1880, 2444, 3055, 3518, 4888, 6110, 7036, 8795, 12220, 14072, 17590, 22867, 24440, 35180, 45734, 70360, 82673, 91468, 114335, 165346, 182936, 228670, 330692, 413365, 457340, 661384, 826730, 914680, 1074749, 1653460, 2149498, 3306920, 4298996, 5373745, 8597992, 10747490, 21494980, 42989960]

約数ペア:

[(1, 42989960), (2, 21494980), (4, 10747490), (5, 8597992), (8, 5373745), (10, 4298996), (13, 3306920), (20, 2149498), (26, 1653460), (40, 1074749), (47, 914680), (52, 826730), (65, 661384), (94, 457340), (104, 413365), (130, 330692), (188, 228670), (235, 182936), (260, 165346), (376, 114335), (470, 91468), (520, 82673), (611, 70360), (940, 45734), (1222, 35180), (1759, 24440), (1880, 22867), (2444, 17590), (3055, 14072), (3518, 12220), (4888, 8795), (6110, 7036)]