156565480

素因数分解:

$2^3\times 5^1\times {\mathrm{1931}}^1\times {\mathrm{2027}}^1$

素因数の和:3969

約数の個数: 32

約数和(自身を含む): 352628640

約数和(自身を除く): 196063160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1931, 2027, 3862, 4054, 7724, 8108, 9655, 10135, 15448, 16216, 19310, 20270, 38620, 40540, 77240, 81080, 3914137, 7828274, 15656548, 19570685, 31313096, 39141370, 78282740, 156565480]

約数ペア:

[(1, 156565480), (2, 78282740), (4, 39141370), (5, 31313096), (8, 19570685), (10, 15656548), (20, 7828274), (40, 3914137), (1931, 81080), (2027, 77240), (3862, 40540), (4054, 38620), (7724, 20270), (8108, 19310), (9655, 16216), (10135, 15448)]