15540520

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{13397}}^1$

素因数の和:13437

約数の個数: 32

約数和(自身を含む): 36174600

約数和(自身を除く): 20634080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 13397, 26794, 53588, 66985, 107176, 133970, 267940, 388513, 535880, 777026, 1554052, 1942565, 3108104, 3885130, 7770260, 15540520]

約数ペア:

[(1, 15540520), (2, 7770260), (4, 3885130), (5, 3108104), (8, 1942565), (10, 1554052), (20, 777026), (29, 535880), (40, 388513), (58, 267940), (116, 133970), (145, 107176), (232, 66985), (290, 53588), (580, 26794), (1160, 13397)]