66679940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1\times {\mathrm{349}}^1$

素因数の和:632

約数の個数: 48

約数和(自身を含む): 144471600

約数和(自身を除く): 77791660

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 233, 349, 410, 466, 698, 820, 932, 1165, 1396, 1745, 2330, 3490, 4660, 6980, 9553, 14309, 19106, 28618, 38212, 47765, 57236, 71545, 81317, 95530, 143090, 162634, 191060, 286180, 325268, 406585, 813170, 1626340, 3333997, 6667994, 13335988, 16669985, 33339970, 66679940]

約数ペア:

[(1, 66679940), (2, 33339970), (4, 16669985), (5, 13335988), (10, 6667994), (20, 3333997), (41, 1626340), (82, 813170), (164, 406585), (205, 325268), (233, 286180), (349, 191060), (410, 162634), (466, 143090), (698, 95530), (820, 81317), (932, 71545), (1165, 57236), (1396, 47765), (1745, 38212), (2330, 28618), (3490, 19106), (4660, 14309), (6980, 9553)]