65025640

素因数分解:

$2^3\times 5^1\times {\mathrm{233}}^1\times {\mathrm{6977}}^1$

素因数の和:7221

約数の個数: 32

約数和(自身を含む): 146956680

約数和(自身を除く): 81931040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 233, 466, 932, 1165, 1864, 2330, 4660, 6977, 9320, 13954, 27908, 34885, 55816, 69770, 139540, 279080, 1625641, 3251282, 6502564, 8128205, 13005128, 16256410, 32512820, 65025640]

約数ペア:

[(1, 65025640), (2, 32512820), (4, 16256410), (5, 13005128), (8, 8128205), (10, 6502564), (20, 3251282), (40, 1625641), (233, 279080), (466, 139540), (932, 69770), (1165, 55816), (1864, 34885), (2330, 27908), (4660, 13954), (6977, 9320)]