2064400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{397}}^1$

素因数の和:428

約数の個数: 60

約数和(自身を含む): 5354692

約数和(自身を除く): 3290292

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 397, 400, 520, 650, 794, 1040, 1300, 1588, 1985, 2600, 3176, 3970, 5161, 5200, 6352, 7940, 9925, 10322, 15880, 19850, 20644, 25805, 31760, 39700, 41288, 51610, 79400, 82576, 103220, 129025, 158800, 206440, 258050, 412880, 516100, 1032200, 2064400]

約数ペア:

[(1, 2064400), (2, 1032200), (4, 516100), (5, 412880), (8, 258050), (10, 206440), (13, 158800), (16, 129025), (20, 103220), (25, 82576), (26, 79400), (40, 51610), (50, 41288), (52, 39700), (65, 31760), (80, 25805), (100, 20644), (104, 19850), (130, 15880), (200, 10322), (208, 9925), (260, 7940), (325, 6352), (397, 5200), (400, 5161), (520, 3970), (650, 3176), (794, 2600), (1040, 1985), (1300, 1588)]