825760

素因数分解:

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

素因数の和:425

約数の個数: 48

約数和(自身を含む): 2106216

約数和(自身を除く): 1280456

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 397, 416, 520, 794, 1040, 1588, 1985, 2080, 3176, 3970, 5161, 6352, 7940, 10322, 12704, 15880, 20644, 25805, 31760, 41288, 51610, 63520, 82576, 103220, 165152, 206440, 412880, 825760]

約数ペア:

[(1, 825760), (2, 412880), (4, 206440), (5, 165152), (8, 103220), (10, 82576), (13, 63520), (16, 51610), (20, 41288), (26, 31760), (32, 25805), (40, 20644), (52, 15880), (65, 12704), (80, 10322), (104, 7940), (130, 6352), (160, 5161), (208, 3970), (260, 3176), (397, 2080), (416, 1985), (520, 1588), (794, 1040)]