31968880

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6551}}^1$

素因数の和:6625

約数の個数: 40

約数和(自身を含む): 75557664

約数和(自身を除く): 43588784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 6551, 13102, 26204, 32755, 52408, 65510, 104816, 131020, 262040, 399611, 524080, 799222, 1598444, 1998055, 3196888, 3996110, 6393776, 7992220, 15984440, 31968880]

約数ペア:

[(1, 31968880), (2, 15984440), (4, 7992220), (5, 6393776), (8, 3996110), (10, 3196888), (16, 1998055), (20, 1598444), (40, 799222), (61, 524080), (80, 399611), (122, 262040), (244, 131020), (305, 104816), (488, 65510), (610, 52408), (976, 32755), (1220, 26204), (2440, 13102), (4880, 6551)]