25214960

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5167}}^1$

素因数の和:5241

約数の個数: 40

約数和(自身を含む): 59597376

約数和(自身を除く): 34382416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 5167, 10334, 20668, 25835, 41336, 51670, 82672, 103340, 206680, 315187, 413360, 630374, 1260748, 1575935, 2521496, 3151870, 5042992, 6303740, 12607480, 25214960]

約数ペア:

[(1, 25214960), (2, 12607480), (4, 6303740), (5, 5042992), (8, 3151870), (10, 2521496), (16, 1575935), (20, 1260748), (40, 630374), (61, 413360), (80, 315187), (122, 206680), (244, 103340), (305, 82672), (488, 51670), (610, 41336), (976, 25835), (1220, 20668), (2440, 10334), (4880, 5167)]