55268440

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{22651}}^1$

素因数の和:22723

約数の個数: 32

約数和(自身を含む): 126398160

約数和(自身を除く): 71129720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 22651, 45302, 90604, 113255, 181208, 226510, 453020, 906040, 1381711, 2763422, 5526844, 6908555, 11053688, 13817110, 27634220, 55268440]

約数ペア:

[(1, 55268440), (2, 27634220), (4, 13817110), (5, 11053688), (8, 6908555), (10, 5526844), (20, 2763422), (40, 1381711), (61, 906040), (122, 453020), (244, 226510), (305, 181208), (488, 113255), (610, 90604), (1220, 45302), (2440, 22651)]