40986580

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{419}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 88764480

約数和(自身を除く): 47777900

約数列:

[1, 2, 4, 5, 10, 20, 67, 73, 134, 146, 268, 292, 335, 365, 419, 670, 730, 838, 1340, 1460, 1676, 2095, 4190, 4891, 8380, 9782, 19564, 24455, 28073, 30587, 48910, 56146, 61174, 97820, 112292, 122348, 140365, 152935, 280730, 305870, 561460, 611740, 2049329, 4098658, 8197316, 10246645, 20493290, 40986580]

約数ペア:

[(1, 40986580), (2, 20493290), (4, 10246645), (5, 8197316), (10, 4098658), (20, 2049329), (67, 611740), (73, 561460), (134, 305870), (146, 280730), (268, 152935), (292, 140365), (335, 122348), (365, 112292), (419, 97820), (670, 61174), (730, 56146), (838, 48910), (1340, 30587), (1460, 28073), (1676, 24455), (2095, 19564), (4190, 9782), (4891, 8380)]