2388880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2297}}^1$

素因数の和:2323

約数の個数: 40

約数和(自身を含む): 5983992

約数和(自身を除く): 3595112

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2297, 4594, 9188, 11485, 18376, 22970, 29861, 36752, 45940, 59722, 91880, 119444, 149305, 183760, 238888, 298610, 477776, 597220, 1194440, 2388880]

約数ペア:

[(1, 2388880), (2, 1194440), (4, 597220), (5, 477776), (8, 298610), (10, 238888), (13, 183760), (16, 149305), (20, 119444), (26, 91880), (40, 59722), (52, 45940), (65, 36752), (80, 29861), (104, 22970), (130, 18376), (208, 11485), (260, 9188), (520, 4594), (1040, 2297)]