38809960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19801}}^1$

素因数の和:19826

約数の個数: 48

約数和(自身を含む): 101584260

約数和(自身を除く): 62774300

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 19801, 39602, 79204, 99005, 138607, 158408, 198010, 277214, 396020, 554428, 693035, 792040, 970249, 1108856, 1386070, 1940498, 2772140, 3880996, 4851245, 5544280, 7761992, 9702490, 19404980, 38809960]

約数ペア:

[(1, 38809960), (2, 19404980), (4, 9702490), (5, 7761992), (7, 5544280), (8, 4851245), (10, 3880996), (14, 2772140), (20, 1940498), (28, 1386070), (35, 1108856), (40, 970249), (49, 792040), (56, 693035), (70, 554428), (98, 396020), (140, 277214), (196, 198010), (245, 158408), (280, 138607), (392, 99005), (490, 79204), (980, 39602), (1960, 19801)]