201931480

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{12343}}^1$

素因数の和:12763

約数の個数: 32

約数和(自身を含む): 455493600

約数和(自身を除く): 253562120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 4090, 8180, 12343, 16360, 24686, 49372, 61715, 98744, 123430, 246860, 493720, 5048287, 10096574, 20193148, 25241435, 40386296, 50482870, 100965740, 201931480]

約数ペア:

[(1, 201931480), (2, 100965740), (4, 50482870), (5, 40386296), (8, 25241435), (10, 20193148), (20, 10096574), (40, 5048287), (409, 493720), (818, 246860), (1636, 123430), (2045, 98744), (3272, 61715), (4090, 49372), (8180, 24686), (12343, 16360)]