40837840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{401}}^1$

素因数の和:500

約数の個数: 80

約数和(自身を含む): 101689920

約数和(自身を除く): 60852080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 67, 76, 80, 95, 134, 152, 190, 268, 304, 335, 380, 401, 536, 670, 760, 802, 1072, 1273, 1340, 1520, 1604, 2005, 2546, 2680, 3208, 4010, 5092, 5360, 6365, 6416, 7619, 8020, 10184, 12730, 15238, 16040, 20368, 25460, 26867, 30476, 32080, 38095, 50920, 53734, 60952, 76190, 101840, 107468, 121904, 134335, 152380, 214936, 268670, 304760, 429872, 510473, 537340, 609520, 1020946, 1074680, 2041892, 2149360, 2552365, 4083784, 5104730, 8167568, 10209460, 20418920, 40837840]

約数ペア:

[(1, 40837840), (2, 20418920), (4, 10209460), (5, 8167568), (8, 5104730), (10, 4083784), (16, 2552365), (19, 2149360), (20, 2041892), (38, 1074680), (40, 1020946), (67, 609520), (76, 537340), (80, 510473), (95, 429872), (134, 304760), (152, 268670), (190, 214936), (268, 152380), (304, 134335), (335, 121904), (380, 107468), (401, 101840), (536, 76190), (670, 60952), (760, 53734), (802, 50920), (1072, 38095), (1273, 32080), (1340, 30476), (1520, 26867), (1604, 25460), (2005, 20368), (2546, 16040), (2680, 15238), (3208, 12730), (4010, 10184), (5092, 8020), (5360, 7619), (6365, 6416)]