86431540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{829}}^1$

素因数の和:1252

約数の個数: 48

約数和(自身を含む): 196192080

約数和(自身を除く): 109760540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 401, 802, 829, 1604, 1658, 2005, 3316, 4010, 4145, 5213, 8020, 8290, 10426, 10777, 16580, 20852, 21554, 26065, 43108, 52130, 53885, 104260, 107770, 215540, 332429, 664858, 1329716, 1662145, 3324290, 4321577, 6648580, 8643154, 17286308, 21607885, 43215770, 86431540]

約数ペア:

[(1, 86431540), (2, 43215770), (4, 21607885), (5, 17286308), (10, 8643154), (13, 6648580), (20, 4321577), (26, 3324290), (52, 1662145), (65, 1329716), (130, 664858), (260, 332429), (401, 215540), (802, 107770), (829, 104260), (1604, 53885), (1658, 52130), (2005, 43108), (3316, 26065), (4010, 21554), (4145, 20852), (5213, 16580), (8020, 10777), (8290, 10426)]