2555800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{983}}^1$

素因数の和:1012

約数の個数: 48

約数和(自身を含む): 6405840

約数和(自身を除く): 3850040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 983, 1300, 1966, 2600, 3932, 4915, 7864, 9830, 12779, 19660, 24575, 25558, 39320, 49150, 51116, 63895, 98300, 102232, 127790, 196600, 255580, 319475, 511160, 638950, 1277900, 2555800]

約数ペア:

[(1, 2555800), (2, 1277900), (4, 638950), (5, 511160), (8, 319475), (10, 255580), (13, 196600), (20, 127790), (25, 102232), (26, 98300), (40, 63895), (50, 51116), (52, 49150), (65, 39320), (100, 25558), (104, 24575), (130, 19660), (200, 12779), (260, 9830), (325, 7864), (520, 4915), (650, 3932), (983, 2600), (1300, 1966)]