51665380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11689}}^1$

素因数の和:11728

約数の個数: 48

約数和(自身を含む): 123726960

約数和(自身を除く): 72061580

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, 11689, 23378, 46756, 58445, 116890, 151957, 198713, 233780, 303914, 397426, 607828, 759785, 794852, 993565, 1519570, 1987130, 2583269, 3039140, 3974260, 5166538, 10333076, 12916345, 25832690, 51665380]

約数ペア:

[(1, 51665380), (2, 25832690), (4, 12916345), (5, 10333076), (10, 5166538), (13, 3974260), (17, 3039140), (20, 2583269), (26, 1987130), (34, 1519570), (52, 993565), (65, 794852), (68, 759785), (85, 607828), (130, 397426), (170, 303914), (221, 233780), (260, 198713), (340, 151957), (442, 116890), (884, 58445), (1105, 46756), (2210, 23378), (4420, 11689)]