13491776560

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{491}}^1\times {\mathrm{3541}}^1$

素因数の和:4142

約数の個数: 80

約数和(自身を含む): 31765279392

約数和(自身を除く): 18273502832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 491, 776, 970, 982, 1552, 1940, 1964, 2455, 3541, 3880, 3928, 4910, 7082, 7760, 7856, 9820, 14164, 17705, 19640, 28328, 35410, 39280, 47627, 56656, 70820, 95254, 141640, 190508, 238135, 283280, 343477, 381016, 476270, 686954, 762032, 952540, 1373908, 1717385, 1738631, 1905080, 2747816, 3434770, 3477262, 3810160, 5495632, 6869540, 6954524, 8693155, 13739080, 13909048, 17386310, 27478160, 27818096, 34772620, 69545240, 139090480, 168647207, 337294414, 674588828, 843236035, 1349177656, 1686472070, 2698355312, 3372944140, 6745888280, 13491776560]

約数ペア:

[(1, 13491776560), (2, 6745888280), (4, 3372944140), (5, 2698355312), (8, 1686472070), (10, 1349177656), (16, 843236035), (20, 674588828), (40, 337294414), (80, 168647207), (97, 139090480), (194, 69545240), (388, 34772620), (485, 27818096), (491, 27478160), (776, 17386310), (970, 13909048), (982, 13739080), (1552, 8693155), (1940, 6954524), (1964, 6869540), (2455, 5495632), (3541, 3810160), (3880, 3477262), (3928, 3434770), (4910, 2747816), (7082, 1905080), (7760, 1738631), (7856, 1717385), (9820, 1373908), (14164, 952540), (17705, 762032), (19640, 686954), (28328, 476270), (35410, 381016), (39280, 343477), (47627, 283280), (56656, 238135), (70820, 190508), (95254, 141640)]