9591640

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3931}}^1$

素因数の和:4003

約数の個数: 32

約数和(自身を含む): 21940560

約数和(自身を除く): 12348920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 3931, 7862, 15724, 19655, 31448, 39310, 78620, 157240, 239791, 479582, 959164, 1198955, 1918328, 2397910, 4795820, 9591640]

約数ペア:

[(1, 9591640), (2, 4795820), (4, 2397910), (5, 1918328), (8, 1198955), (10, 959164), (20, 479582), (40, 239791), (61, 157240), (122, 78620), (244, 39310), (305, 31448), (488, 19655), (610, 15724), (1220, 7862), (2440, 3931)]