9982040

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4091}}^1$

素因数の和:4163

約数の個数: 32

約数和(自身を含む): 22833360

約数和(自身を除く): 12851320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 4091, 8182, 16364, 20455, 32728, 40910, 81820, 163640, 249551, 499102, 998204, 1247755, 1996408, 2495510, 4991020, 9982040]

約数ペア:

[(1, 9982040), (2, 4991020), (4, 2495510), (5, 1996408), (8, 1247755), (10, 998204), (20, 499102), (40, 249551), (61, 163640), (122, 81820), (244, 40910), (305, 32728), (488, 20455), (610, 16364), (1220, 8182), (2440, 4091)]