1128518950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{21977}}^1$

素因数の和:22081

約数の個数: 48

約数和(自身を含む): 2289228480

約数和(自身を除く): 1160709530

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 79, 130, 158, 325, 395, 650, 790, 1027, 1975, 2054, 3950, 5135, 10270, 21977, 25675, 43954, 51350, 109885, 219770, 285701, 549425, 571402, 1098850, 1428505, 1736183, 2857010, 3472366, 7142525, 8680915, 14285050, 17361830, 22570379, 43404575, 45140758, 86809150, 112851895, 225703790, 564259475, 1128518950]

約数ペア:

[(1, 1128518950), (2, 564259475), (5, 225703790), (10, 112851895), (13, 86809150), (25, 45140758), (26, 43404575), (50, 22570379), (65, 17361830), (79, 14285050), (130, 8680915), (158, 7142525), (325, 3472366), (395, 2857010), (650, 1736183), (790, 1428505), (1027, 1098850), (1975, 571402), (2054, 549425), (3950, 285701), (5135, 219770), (10270, 109885), (21977, 51350), (25675, 43954)]