2080561160

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{852689}}^1$

素因数の和:852761

約数の個数: 32

約数和(自身を含む): 4758010200

約数和(自身を除く): 2677449040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 852689, 1705378, 3410756, 4263445, 6821512, 8526890, 17053780, 34107560, 52014029, 104028058, 208056116, 260070145, 416112232, 520140290, 1040280580, 2080561160]

約数ペア:

[(1, 2080561160), (2, 1040280580), (4, 520140290), (5, 416112232), (8, 260070145), (10, 208056116), (20, 104028058), (40, 52014029), (61, 34107560), (122, 17053780), (244, 8526890), (305, 6821512), (488, 4263445), (610, 3410756), (1220, 1705378), (2440, 852689)]