71368880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{81101}}^1$

素因数の和:81125

約数の個数: 40

約数和(自身を含む): 181019664

約数和(自身を除く): 109650784

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 81101, 162202, 324404, 405505, 648808, 811010, 892111, 1297616, 1622020, 1784222, 3244040, 3568444, 4460555, 6488080, 7136888, 8921110, 14273776, 17842220, 35684440, 71368880]

約数ペア:

[(1, 71368880), (2, 35684440), (4, 17842220), (5, 14273776), (8, 8921110), (10, 7136888), (11, 6488080), (16, 4460555), (20, 3568444), (22, 3244040), (40, 1784222), (44, 1622020), (55, 1297616), (80, 892111), (88, 811010), (110, 648808), (176, 405505), (220, 324404), (440, 162202), (880, 81101)]