156981000460

素因数分解:

$2^2\times 5^1\times {\mathrm{7849050023}}^1$

素因数の和:7849050032

約数の個数: 12

約数和(自身を含む): 329660101008

約数和(自身を除く): 172679100548

約数列:

[1, 2, 4, 5, 10, 20, 7849050023, 15698100046, 31396200092, 39245250115, 78490500230, 156981000460]

約数ペア:

[(1, 156981000460), (2, 78490500230), (4, 39245250115), (5, 31396200092), (10, 15698100046), (20, 7849050023)]