40987336

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{1721}}^1$

素因数の和:1969

約数の個数: 32

約数和(自身を含む): 83172600

約数和(自身を除く): 42185264

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 229, 458, 916, 1721, 1832, 2977, 3442, 5954, 6884, 11908, 13768, 22373, 23816, 44746, 89492, 178984, 394109, 788218, 1576436, 3152872, 5123417, 10246834, 20493668, 40987336]

約数ペア:

[(1, 40987336), (2, 20493668), (4, 10246834), (8, 5123417), (13, 3152872), (26, 1576436), (52, 788218), (104, 394109), (229, 178984), (458, 89492), (916, 44746), (1721, 23816), (1832, 22373), (2977, 13768), (3442, 11908), (5954, 6884)]