40459920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{641}}^1$

素因数の和:920

約数の個数: 80

約数和(自身を含む): 126099072

約数和(自身を除く): 85639152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 263, 526, 641, 789, 1052, 1282, 1315, 1578, 1923, 2104, 2564, 2630, 3156, 3205, 3846, 3945, 4208, 5128, 5260, 6312, 6410, 7692, 7890, 9615, 10256, 10520, 12624, 12820, 15384, 15780, 19230, 21040, 25640, 30768, 31560, 38460, 51280, 63120, 76920, 153840, 168583, 337166, 505749, 674332, 842915, 1011498, 1348664, 1685830, 2022996, 2528745, 2697328, 3371660, 4045992, 5057490, 6743320, 8091984, 10114980, 13486640, 20229960, 40459920]

約数ペア:

[(1, 40459920), (2, 20229960), (3, 13486640), (4, 10114980), (5, 8091984), (6, 6743320), (8, 5057490), (10, 4045992), (12, 3371660), (15, 2697328), (16, 2528745), (20, 2022996), (24, 1685830), (30, 1348664), (40, 1011498), (48, 842915), (60, 674332), (80, 505749), (120, 337166), (240, 168583), (263, 153840), (526, 76920), (641, 63120), (789, 51280), (1052, 38460), (1282, 31560), (1315, 30768), (1578, 25640), (1923, 21040), (2104, 19230), (2564, 15780), (2630, 15384), (3156, 12820), (3205, 12624), (3846, 10520), (3945, 10256), (4208, 9615), (5128, 7890), (5260, 7692), (6312, 6410)]