91072840

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{251}}^1$

素因数の和:502

約数の個数: 64

約数和(自身を含む): 211196160

約数和(自身を除く): 120123320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 193, 235, 251, 376, 386, 470, 502, 772, 940, 965, 1004, 1255, 1544, 1880, 1930, 2008, 2510, 3860, 5020, 7720, 9071, 10040, 11797, 18142, 23594, 36284, 45355, 47188, 48443, 58985, 72568, 90710, 94376, 96886, 117970, 181420, 193772, 235940, 242215, 362840, 387544, 471880, 484430, 968860, 1937720, 2276821, 4553642, 9107284, 11384105, 18214568, 22768210, 45536420, 91072840]

約数ペア:

[(1, 91072840), (2, 45536420), (4, 22768210), (5, 18214568), (8, 11384105), (10, 9107284), (20, 4553642), (40, 2276821), (47, 1937720), (94, 968860), (188, 484430), (193, 471880), (235, 387544), (251, 362840), (376, 242215), (386, 235940), (470, 193772), (502, 181420), (772, 117970), (940, 96886), (965, 94376), (1004, 90710), (1255, 72568), (1544, 58985), (1880, 48443), (1930, 47188), (2008, 45355), (2510, 36284), (3860, 23594), (5020, 18142), (7720, 11797), (9071, 10040)]