31874480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1249}}^1$

素因数の和:1302

約数の個数: 80

約数和(自身を含む): 83700000

約数和(自身を除く): 51825520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 580, 638, 880, 1160, 1249, 1276, 1595, 2320, 2498, 2552, 3190, 4996, 5104, 6245, 6380, 9992, 12490, 12760, 13739, 19984, 24980, 25520, 27478, 36221, 49960, 54956, 68695, 72442, 99920, 109912, 137390, 144884, 181105, 219824, 274780, 289768, 362210, 398431, 549560, 579536, 724420, 796862, 1099120, 1448840, 1593724, 1992155, 2897680, 3187448, 3984310, 6374896, 7968620, 15937240, 31874480]

約数ペア:

[(1, 31874480), (2, 15937240), (4, 7968620), (5, 6374896), (8, 3984310), (10, 3187448), (11, 2897680), (16, 1992155), (20, 1593724), (22, 1448840), (29, 1099120), (40, 796862), (44, 724420), (55, 579536), (58, 549560), (80, 398431), (88, 362210), (110, 289768), (116, 274780), (145, 219824), (176, 181105), (220, 144884), (232, 137390), (290, 109912), (319, 99920), (440, 72442), (464, 68695), (580, 54956), (638, 49960), (880, 36221), (1160, 27478), (1249, 25520), (1276, 24980), (1595, 19984), (2320, 13739), (2498, 12760), (2552, 12490), (3190, 9992), (4996, 6380), (5104, 6245)]