129560780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{2069}}^1$

素因数の和:2210

約数の個数: 48

約数和(自身を含む): 283772160

約数和(自身を除く): 154211380

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 101, 124, 155, 202, 310, 404, 505, 620, 1010, 2020, 2069, 3131, 4138, 6262, 8276, 10345, 12524, 15655, 20690, 31310, 41380, 62620, 64139, 128278, 208969, 256556, 320695, 417938, 641390, 835876, 1044845, 1282780, 2089690, 4179380, 6478039, 12956078, 25912156, 32390195, 64780390, 129560780]

約数ペア:

[(1, 129560780), (2, 64780390), (4, 32390195), (5, 25912156), (10, 12956078), (20, 6478039), (31, 4179380), (62, 2089690), (101, 1282780), (124, 1044845), (155, 835876), (202, 641390), (310, 417938), (404, 320695), (505, 256556), (620, 208969), (1010, 128278), (2020, 64139), (2069, 62620), (3131, 41380), (4138, 31310), (6262, 20690), (8276, 15655), (10345, 12524)]