80825140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{21611}}^1$

素因数の和:21648

約数の個数: 48

約数和(自身を含む): 196064064

約数和(自身を除く): 115238924

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 21611, 43222, 86444, 108055, 216110, 237721, 367387, 432220, 475442, 734774, 950884, 1188605, 1469548, 1836935, 2377210, 3673870, 4041257, 4754420, 7347740, 8082514, 16165028, 20206285, 40412570, 80825140]

約数ペア:

[(1, 80825140), (2, 40412570), (4, 20206285), (5, 16165028), (10, 8082514), (11, 7347740), (17, 4754420), (20, 4041257), (22, 3673870), (34, 2377210), (44, 1836935), (55, 1469548), (68, 1188605), (85, 950884), (110, 734774), (170, 475442), (187, 432220), (220, 367387), (340, 237721), (374, 216110), (748, 108055), (935, 86444), (1870, 43222), (3740, 21611)]