40939288

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{4423}}^1$

素因数の和:4531

約数の個数: 32

約数和(自身を含む): 83613600

約数和(自身を除く): 42674312

約数列:

[1, 2, 4, 8, 13, 26, 52, 89, 104, 178, 356, 712, 1157, 2314, 4423, 4628, 8846, 9256, 17692, 35384, 57499, 114998, 229996, 393647, 459992, 787294, 1574588, 3149176, 5117411, 10234822, 20469644, 40939288]

約数ペア:

[(1, 40939288), (2, 20469644), (4, 10234822), (8, 5117411), (13, 3149176), (26, 1574588), (52, 787294), (89, 459992), (104, 393647), (178, 229996), (356, 114998), (712, 57499), (1157, 35384), (2314, 17692), (4423, 9256), (4628, 8846)]