8017880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{907}}^1$

素因数の和:948

約数の個数: 64

約数和(自身を含む): 20593440

約数和(自身を除く): 12575560

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 907, 1105, 1768, 1814, 2210, 3628, 4420, 4535, 7256, 8840, 9070, 11791, 15419, 18140, 23582, 30838, 36280, 47164, 58955, 61676, 77095, 94328, 117910, 123352, 154190, 200447, 235820, 308380, 400894, 471640, 616760, 801788, 1002235, 1603576, 2004470, 4008940, 8017880]

約数ペア:

[(1, 8017880), (2, 4008940), (4, 2004470), (5, 1603576), (8, 1002235), (10, 801788), (13, 616760), (17, 471640), (20, 400894), (26, 308380), (34, 235820), (40, 200447), (52, 154190), (65, 123352), (68, 117910), (85, 94328), (104, 77095), (130, 61676), (136, 58955), (170, 47164), (221, 36280), (260, 30838), (340, 23582), (442, 18140), (520, 15419), (680, 11791), (884, 9070), (907, 8840), (1105, 7256), (1768, 4535), (1814, 4420), (2210, 3628)]