38521960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{283}}^1$

素因数の和:418

約数の個数: 64

約数和(自身を含む): 90175680

約数和(自身を除く): 51653720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 83, 164, 166, 205, 283, 328, 332, 410, 415, 566, 664, 820, 830, 1132, 1415, 1640, 1660, 2264, 2830, 3320, 3403, 5660, 6806, 11320, 11603, 13612, 17015, 23206, 23489, 27224, 34030, 46412, 46978, 58015, 68060, 92824, 93956, 116030, 117445, 136120, 187912, 232060, 234890, 464120, 469780, 939560, 963049, 1926098, 3852196, 4815245, 7704392, 9630490, 19260980, 38521960]

約数ペア:

[(1, 38521960), (2, 19260980), (4, 9630490), (5, 7704392), (8, 4815245), (10, 3852196), (20, 1926098), (40, 963049), (41, 939560), (82, 469780), (83, 464120), (164, 234890), (166, 232060), (205, 187912), (283, 136120), (328, 117445), (332, 116030), (410, 93956), (415, 92824), (566, 68060), (664, 58015), (820, 46978), (830, 46412), (1132, 34030), (1415, 27224), (1640, 23489), (1660, 23206), (2264, 17015), (2830, 13612), (3320, 11603), (3403, 11320), (5660, 6806)]