128260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1$

素因数の和:84

約数の個数: 36

約数和(自身を含む): 301644

約数和(自身を除く): 173384

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 121, 212, 220, 242, 265, 484, 530, 583, 605, 1060, 1166, 1210, 2332, 2420, 2915, 5830, 6413, 11660, 12826, 25652, 32065, 64130, 128260]

約数ペア:

[(1, 128260), (2, 64130), (4, 32065), (5, 25652), (10, 12826), (11, 11660), (20, 6413), (22, 5830), (44, 2915), (53, 2420), (55, 2332), (106, 1210), (110, 1166), (121, 1060), (212, 605), (220, 583), (242, 530), (265, 484)]