128833780

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{26729}}^1$

素因数の和:26979

約数の個数: 24

約数和(自身を含む): 271683720

約数和(自身を除く): 142849940

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4820, 26729, 53458, 106916, 133645, 267290, 534580, 6441689, 12883378, 25766756, 32208445, 64416890, 128833780]

約数ペア:

[(1, 128833780), (2, 64416890), (4, 32208445), (5, 25766756), (10, 12883378), (20, 6441689), (241, 534580), (482, 267290), (964, 133645), (1205, 106916), (2410, 53458), (4820, 26729)]