90487960

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{42683}}^1$

素因数の和:42747

約数の個数: 32

約数和(自身を含む): 207444240

約数和(自身を除く): 116956280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 42683, 85366, 170732, 213415, 341464, 426830, 853660, 1707320, 2262199, 4524398, 9048796, 11310995, 18097592, 22621990, 45243980, 90487960]

約数ペア:

[(1, 90487960), (2, 45243980), (4, 22621990), (5, 18097592), (8, 11310995), (10, 9048796), (20, 4524398), (40, 2262199), (53, 1707320), (106, 853660), (212, 426830), (265, 341464), (424, 213415), (530, 170732), (1060, 85366), (2120, 42683)]