40915540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{1217}}^1$

素因数の和:1308

約数の個数: 36

約数和(自身を含む): 88141788

約数和(自身を除く): 47226248

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1217, 1681, 2434, 3362, 4868, 6085, 6724, 8405, 12170, 16810, 24340, 33620, 49897, 99794, 199588, 249485, 498970, 997940, 2045777, 4091554, 8183108, 10228885, 20457770, 40915540]

約数ペア:

[(1, 40915540), (2, 20457770), (4, 10228885), (5, 8183108), (10, 4091554), (20, 2045777), (41, 997940), (82, 498970), (164, 249485), (205, 199588), (410, 99794), (820, 49897), (1217, 33620), (1681, 24340), (2434, 16810), (3362, 12170), (4868, 8405), (6085, 6724)]