55808680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{45007}}^1$

素因数の和:45049

約数の個数: 32

約数和(自身を含む): 129623040

約数和(自身を除く): 73814360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 45007, 90014, 180028, 225035, 360056, 450070, 900140, 1395217, 1800280, 2790434, 5580868, 6976085, 11161736, 13952170, 27904340, 55808680]

約数ペア:

[(1, 55808680), (2, 27904340), (4, 13952170), (5, 11161736), (8, 6976085), (10, 5580868), (20, 2790434), (31, 1800280), (40, 1395217), (62, 900140), (124, 450070), (155, 360056), (248, 225035), (310, 180028), (620, 90014), (1240, 45007)]