1651520

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1$

素因数の和:427

約数の個数: 56

約数和(自身を含む): 4245864

約数和(自身を除く): 2594344

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 397, 416, 520, 794, 832, 1040, 1588, 1985, 2080, 3176, 3970, 4160, 5161, 6352, 7940, 10322, 12704, 15880, 20644, 25408, 25805, 31760, 41288, 51610, 63520, 82576, 103220, 127040, 165152, 206440, 330304, 412880, 825760, 1651520]

約数ペア:

[(1, 1651520), (2, 825760), (4, 412880), (5, 330304), (8, 206440), (10, 165152), (13, 127040), (16, 103220), (20, 82576), (26, 63520), (32, 51610), (40, 41288), (52, 31760), (64, 25805), (65, 25408), (80, 20644), (104, 15880), (130, 12704), (160, 10322), (208, 7940), (260, 6352), (320, 5161), (397, 4160), (416, 3970), (520, 3176), (794, 2080), (832, 1985), (1040, 1588)]