4128800

素因数分解:

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

素因数の和:430

約数の個数: 72

約数和(自身を含む): 10882116

約数和(自身を除く): 6753316

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 397, 400, 416, 520, 650, 794, 800, 1040, 1300, 1588, 1985, 2080, 2600, 3176, 3970, 5161, 5200, 6352, 7940, 9925, 10322, 10400, 12704, 15880, 19850, 20644, 25805, 31760, 39700, 41288, 51610, 63520, 79400, 82576, 103220, 129025, 158800, 165152, 206440, 258050, 317600, 412880, 516100, 825760, 1032200, 2064400, 4128800]

約数ペア:

[(1, 4128800), (2, 2064400), (4, 1032200), (5, 825760), (8, 516100), (10, 412880), (13, 317600), (16, 258050), (20, 206440), (25, 165152), (26, 158800), (32, 129025), (40, 103220), (50, 82576), (52, 79400), (65, 63520), (80, 51610), (100, 41288), (104, 39700), (130, 31760), (160, 25805), (200, 20644), (208, 19850), (260, 15880), (325, 12704), (397, 10400), (400, 10322), (416, 9925), (520, 7940), (650, 6352), (794, 5200), (800, 5161), (1040, 3970), (1300, 3176), (1588, 2600), (1985, 2080)]