1647629680

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{248137}}^1$

素因数の和:248233

約数の個数: 40

約数和(自身を含む): 3876908112

約数和(自身を除く): 2229278432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 248137, 496274, 992548, 1240685, 1985096, 2481370, 3970192, 4962740, 9925480, 19850960, 20595371, 41190742, 82381484, 102976855, 164762968, 205953710, 329525936, 411907420, 823814840, 1647629680]

約数ペア:

[(1, 1647629680), (2, 823814840), (4, 411907420), (5, 329525936), (8, 205953710), (10, 164762968), (16, 102976855), (20, 82381484), (40, 41190742), (80, 20595371), (83, 19850960), (166, 9925480), (332, 4962740), (415, 3970192), (664, 2481370), (830, 1985096), (1328, 1240685), (1660, 992548), (3320, 496274), (6640, 248137)]