65748980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{269}}^1$

素因数の和:401

約数の個数: 72

約数和(自身を含む): 153838440

約数和(自身を除く): 88089460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 121, 202, 220, 242, 269, 404, 484, 505, 538, 605, 1010, 1076, 1111, 1210, 1345, 2020, 2222, 2420, 2690, 2959, 4444, 5380, 5555, 5918, 11110, 11836, 12221, 14795, 22220, 24442, 27169, 29590, 32549, 48884, 54338, 59180, 61105, 65098, 108676, 122210, 130196, 135845, 162745, 244420, 271690, 298859, 325490, 543380, 597718, 650980, 1195436, 1494295, 2988590, 3287449, 5977180, 6574898, 13149796, 16437245, 32874490, 65748980]

約数ペア:

[(1, 65748980), (2, 32874490), (4, 16437245), (5, 13149796), (10, 6574898), (11, 5977180), (20, 3287449), (22, 2988590), (44, 1494295), (55, 1195436), (101, 650980), (110, 597718), (121, 543380), (202, 325490), (220, 298859), (242, 271690), (269, 244420), (404, 162745), (484, 135845), (505, 130196), (538, 122210), (605, 108676), (1010, 65098), (1076, 61105), (1111, 59180), (1210, 54338), (1345, 48884), (2020, 32549), (2222, 29590), (2420, 27169), (2690, 24442), (2959, 22220), (4444, 14795), (5380, 12221), (5555, 11836), (5918, 11110)]