40268980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{105971}}^1$

素因数の和:105999

約数の個数: 24

約数和(自身を含む): 89016480

約数和(自身を除く): 48747500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 105971, 211942, 423884, 529855, 1059710, 2013449, 2119420, 4026898, 8053796, 10067245, 20134490, 40268980]

約数ペア:

[(1, 40268980), (2, 20134490), (4, 10067245), (5, 8053796), (10, 4026898), (19, 2119420), (20, 2013449), (38, 1059710), (76, 529855), (95, 423884), (190, 211942), (380, 105971)]