102814420

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{12569}}^1$

素因数の和:12987

約数の個数: 24

約数和(自身を含む): 216455400

約数和(自身を除く): 113640980

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8180, 12569, 25138, 50276, 62845, 125690, 251380, 5140721, 10281442, 20562884, 25703605, 51407210, 102814420]

約数ペア:

[(1, 102814420), (2, 51407210), (4, 25703605), (5, 20562884), (10, 10281442), (20, 5140721), (409, 251380), (818, 125690), (1636, 62845), (2045, 50276), (4090, 25138), (8180, 12569)]