40874960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1553}}^1$

素因数の和:1620

約数の個数: 80

約数和(自身を含む): 110992896

約数和(自身を除く): 70117936

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 329, 376, 470, 560, 658, 752, 940, 1316, 1553, 1645, 1880, 2632, 3106, 3290, 3760, 5264, 6212, 6580, 7765, 10871, 12424, 13160, 15530, 21742, 24848, 26320, 31060, 43484, 54355, 62120, 72991, 86968, 108710, 124240, 145982, 173936, 217420, 291964, 364955, 434840, 510937, 583928, 729910, 869680, 1021874, 1167856, 1459820, 2043748, 2554685, 2919640, 4087496, 5109370, 5839280, 8174992, 10218740, 20437480, 40874960]

約数ペア:

[(1, 40874960), (2, 20437480), (4, 10218740), (5, 8174992), (7, 5839280), (8, 5109370), (10, 4087496), (14, 2919640), (16, 2554685), (20, 2043748), (28, 1459820), (35, 1167856), (40, 1021874), (47, 869680), (56, 729910), (70, 583928), (80, 510937), (94, 434840), (112, 364955), (140, 291964), (188, 217420), (235, 173936), (280, 145982), (329, 124240), (376, 108710), (470, 86968), (560, 72991), (658, 62120), (752, 54355), (940, 43484), (1316, 31060), (1553, 26320), (1645, 24848), (1880, 21742), (2632, 15530), (3106, 13160), (3290, 12424), (3760, 10871), (5264, 7765), (6212, 6580)]