7646960

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1567}}^1$

素因数の和:1641

約数の個数: 40

約数和(自身を含む): 18082176

約数和(自身を除く): 10435216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 1567, 2440, 3134, 4880, 6268, 7835, 12536, 15670, 25072, 31340, 62680, 95587, 125360, 191174, 382348, 477935, 764696, 955870, 1529392, 1911740, 3823480, 7646960]

約数ペア:

[(1, 7646960), (2, 3823480), (4, 1911740), (5, 1529392), (8, 955870), (10, 764696), (16, 477935), (20, 382348), (40, 191174), (61, 125360), (80, 95587), (122, 62680), (244, 31340), (305, 25072), (488, 15670), (610, 12536), (976, 7835), (1220, 6268), (1567, 4880), (2440, 3134)]