66669280

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{10163}}^1$

素因数の和:10219

約数の個数: 48

約数和(自身を含む): 161363664

約数和(自身を除く): 94694384

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, 10163, 20326, 40652, 50815, 81304, 101630, 162608, 203260, 325216, 406520, 416683, 813040, 833366, 1626080, 1666732, 2083415, 3333464, 4166830, 6666928, 8333660, 13333856, 16667320, 33334640, 66669280]

約数ペア:

[(1, 66669280), (2, 33334640), (4, 16667320), (5, 13333856), (8, 8333660), (10, 6666928), (16, 4166830), (20, 3333464), (32, 2083415), (40, 1666732), (41, 1626080), (80, 833366), (82, 813040), (160, 416683), (164, 406520), (205, 325216), (328, 203260), (410, 162608), (656, 101630), (820, 81304), (1312, 50815), (1640, 40652), (3280, 20326), (6560, 10163)]