7932440

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3251}}^1$

素因数の和:3323

約数の個数: 32

約数和(自身を含む): 18146160

約数和(自身を除く): 10213720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 3251, 6502, 13004, 16255, 26008, 32510, 65020, 130040, 198311, 396622, 793244, 991555, 1586488, 1983110, 3966220, 7932440]

約数ペア:

[(1, 7932440), (2, 3966220), (4, 1983110), (5, 1586488), (8, 991555), (10, 793244), (20, 396622), (40, 198311), (61, 130040), (122, 65020), (244, 32510), (305, 26008), (488, 16255), (610, 13004), (1220, 6502), (2440, 3251)]