79767740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18047}}^1$

素因数の和:18086

約数の個数: 48

約数和(自身を含む): 191020032

約数和(自身を除く): 111252292

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 18047, 36094, 72188, 90235, 180470, 234611, 306799, 360940, 469222, 613598, 938444, 1173055, 1227196, 1533995, 2346110, 3067990, 3988387, 4692220, 6135980, 7976774, 15953548, 19941935, 39883870, 79767740]

約数ペア:

[(1, 79767740), (2, 39883870), (4, 19941935), (5, 15953548), (10, 7976774), (13, 6135980), (17, 4692220), (20, 3988387), (26, 3067990), (34, 2346110), (52, 1533995), (65, 1227196), (68, 1173055), (85, 938444), (130, 613598), (170, 469222), (221, 360940), (260, 306799), (340, 234611), (442, 180470), (884, 90235), (1105, 72188), (2210, 36094), (4420, 18047)]