56646980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{11467}}^1$

素因数の和:11508

約数の個数: 48

約数和(自身を含む): 134863680

約数和(自身を除く): 78216700

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 11467, 22934, 45868, 57335, 114670, 149071, 217873, 229340, 298142, 435746, 596284, 745355, 871492, 1089365, 1490710, 2178730, 2832349, 2981420, 4357460, 5664698, 11329396, 14161745, 28323490, 56646980]

約数ペア:

[(1, 56646980), (2, 28323490), (4, 14161745), (5, 11329396), (10, 5664698), (13, 4357460), (19, 2981420), (20, 2832349), (26, 2178730), (38, 1490710), (52, 1089365), (65, 871492), (76, 745355), (95, 596284), (130, 435746), (190, 298142), (247, 229340), (260, 217873), (380, 149071), (494, 114670), (988, 57335), (1235, 45868), (2470, 22934), (4940, 11467)]