40506920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{839}}^1$

素因数の和:938

約数の個数: 64

約数和(自身を含む): 97977600

約数和(自身を除く): 57470680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 71, 85, 136, 142, 170, 284, 340, 355, 568, 680, 710, 839, 1207, 1420, 1678, 2414, 2840, 3356, 4195, 4828, 6035, 6712, 8390, 9656, 12070, 14263, 16780, 24140, 28526, 33560, 48280, 57052, 59569, 71315, 114104, 119138, 142630, 238276, 285260, 297845, 476552, 570520, 595690, 1012673, 1191380, 2025346, 2382760, 4050692, 5063365, 8101384, 10126730, 20253460, 40506920]

約数ペア:

[(1, 40506920), (2, 20253460), (4, 10126730), (5, 8101384), (8, 5063365), (10, 4050692), (17, 2382760), (20, 2025346), (34, 1191380), (40, 1012673), (68, 595690), (71, 570520), (85, 476552), (136, 297845), (142, 285260), (170, 238276), (284, 142630), (340, 119138), (355, 114104), (568, 71315), (680, 59569), (710, 57052), (839, 48280), (1207, 33560), (1420, 28526), (1678, 24140), (2414, 16780), (2840, 14263), (3356, 12070), (4195, 9656), (4828, 8390), (6035, 6712)]