89123980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{2957}}^1$

素因数の和:3114

約数の個数: 48

約数和(自身を含む): 205734816

約数和(自身を除く): 116610836

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 137, 220, 274, 548, 685, 1370, 1507, 2740, 2957, 3014, 5914, 6028, 7535, 11828, 14785, 15070, 29570, 30140, 32527, 59140, 65054, 130108, 162635, 325270, 405109, 650540, 810218, 1620436, 2025545, 4051090, 4456199, 8102180, 8912398, 17824796, 22280995, 44561990, 89123980]

約数ペア:

[(1, 89123980), (2, 44561990), (4, 22280995), (5, 17824796), (10, 8912398), (11, 8102180), (20, 4456199), (22, 4051090), (44, 2025545), (55, 1620436), (110, 810218), (137, 650540), (220, 405109), (274, 325270), (548, 162635), (685, 130108), (1370, 65054), (1507, 59140), (2740, 32527), (2957, 30140), (3014, 29570), (5914, 15070), (6028, 14785), (7535, 11828)]