81350560

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12401}}^1$

素因数の和:12457

約数の個数: 48

約数和(自身を含む): 196894152

約数和(自身を除く): 115543592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 12401, 24802, 49604, 62005, 99208, 124010, 198416, 248020, 396832, 496040, 508441, 992080, 1016882, 1984160, 2033764, 2542205, 4067528, 5084410, 8135056, 10168820, 16270112, 20337640, 40675280, 81350560]

約数ペア:

[(1, 81350560), (2, 40675280), (4, 20337640), (5, 16270112), (8, 10168820), (10, 8135056), (16, 5084410), (20, 4067528), (32, 2542205), (40, 2033764), (41, 1984160), (80, 1016882), (82, 992080), (160, 508441), (164, 496040), (205, 396832), (328, 248020), (410, 198416), (656, 124010), (820, 99208), (1312, 62005), (1640, 49604), (3280, 24802), (6560, 12401)]