1288040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2477}}^1$

素因数の和:2501

約数の個数: 32

約数和(自身を含む): 3122280

約数和(自身を除く): 1834240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 2477, 4954, 9908, 12385, 19816, 24770, 32201, 49540, 64402, 99080, 128804, 161005, 257608, 322010, 644020, 1288040]

約数ペア:

[(1, 1288040), (2, 644020), (4, 322010), (5, 257608), (8, 161005), (10, 128804), (13, 99080), (20, 64402), (26, 49540), (40, 32201), (52, 24770), (65, 19816), (104, 12385), (130, 9908), (260, 4954), (520, 2477)]