40435420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1097}}^1$

素因数の和:1222

約数の個数: 48

約数和(自身を含む): 90387360

約数和(自身を除く): 49951940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 97, 190, 194, 380, 388, 485, 970, 1097, 1843, 1940, 2194, 3686, 4388, 5485, 7372, 9215, 10970, 18430, 20843, 21940, 36860, 41686, 83372, 104215, 106409, 208430, 212818, 416860, 425636, 532045, 1064090, 2021771, 2128180, 4043542, 8087084, 10108855, 20217710, 40435420]

約数ペア:

[(1, 40435420), (2, 20217710), (4, 10108855), (5, 8087084), (10, 4043542), (19, 2128180), (20, 2021771), (38, 1064090), (76, 532045), (95, 425636), (97, 416860), (190, 212818), (194, 208430), (380, 106409), (388, 104215), (485, 83372), (970, 41686), (1097, 36860), (1843, 21940), (1940, 20843), (2194, 18430), (3686, 10970), (4388, 9215), (5485, 7372)]