947440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{911}}^1$

素因数の和:937

約数の個数: 40

約数和(自身を含む): 2374848

約数和(自身を除く): 1427408

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 911, 1040, 1822, 3644, 4555, 7288, 9110, 11843, 14576, 18220, 23686, 36440, 47372, 59215, 72880, 94744, 118430, 189488, 236860, 473720, 947440]

約数ペア:

[(1, 947440), (2, 473720), (4, 236860), (5, 189488), (8, 118430), (10, 94744), (13, 72880), (16, 59215), (20, 47372), (26, 36440), (40, 23686), (52, 18220), (65, 14576), (80, 11843), (104, 9110), (130, 7288), (208, 4555), (260, 3644), (520, 1822), (911, 1040)]