81059296

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1993}}^1$

素因数の和:2075

約数の個数: 48

約数和(自身を含む): 168835968

約数和(自身を除く): 87776672

約数列:

[1, 2, 4, 8, 16, 31, 32, 41, 62, 82, 124, 164, 248, 328, 496, 656, 992, 1271, 1312, 1993, 2542, 3986, 5084, 7972, 10168, 15944, 20336, 31888, 40672, 61783, 63776, 81713, 123566, 163426, 247132, 326852, 494264, 653704, 988528, 1307408, 1977056, 2533103, 2614816, 5066206, 10132412, 20264824, 40529648, 81059296]

約数ペア:

[(1, 81059296), (2, 40529648), (4, 20264824), (8, 10132412), (16, 5066206), (31, 2614816), (32, 2533103), (41, 1977056), (62, 1307408), (82, 988528), (124, 653704), (164, 494264), (248, 326852), (328, 247132), (496, 163426), (656, 123566), (992, 81713), (1271, 63776), (1312, 61783), (1993, 40672), (2542, 31888), (3986, 20336), (5084, 15944), (7972, 10168)]