173366920

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{10597}}^1$

素因数の和:11017

約数の個数: 32

約数和(自身を含む): 391066200

約数和(自身を除く): 217699280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 4090, 8180, 10597, 16360, 21194, 42388, 52985, 84776, 105970, 211940, 423880, 4334173, 8668346, 17336692, 21670865, 34673384, 43341730, 86683460, 173366920]

約数ペア:

[(1, 173366920), (2, 86683460), (4, 43341730), (5, 34673384), (8, 21670865), (10, 17336692), (20, 8668346), (40, 4334173), (409, 423880), (818, 211940), (1636, 105970), (2045, 84776), (3272, 52985), (4090, 42388), (8180, 21194), (10597, 16360)]