90843920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{66797}}^1$

素因数の和:66827

約数の個数: 40

約数和(自身を含む): 223639704

約数和(自身を除く): 132795784

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 66797, 133594, 267188, 333985, 534376, 667970, 1068752, 1135549, 1335940, 2271098, 2671880, 4542196, 5343760, 5677745, 9084392, 11355490, 18168784, 22710980, 45421960, 90843920]

約数ペア:

[(1, 90843920), (2, 45421960), (4, 22710980), (5, 18168784), (8, 11355490), (10, 9084392), (16, 5677745), (17, 5343760), (20, 4542196), (34, 2671880), (40, 2271098), (68, 1335940), (80, 1135549), (85, 1068752), (136, 667970), (170, 534376), (272, 333985), (340, 267188), (680, 133594), (1360, 66797)]