80500780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{4013}}^1$

素因数の和:4098

約数の個数: 48

約数和(自身を含む): 182075040

約数和(自身を除く): 101574260

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 59, 68, 85, 118, 170, 236, 295, 340, 590, 1003, 1180, 2006, 4012, 4013, 5015, 8026, 10030, 16052, 20060, 20065, 40130, 68221, 80260, 136442, 236767, 272884, 341105, 473534, 682210, 947068, 1183835, 1364420, 2367670, 4025039, 4735340, 8050078, 16100156, 20125195, 40250390, 80500780]

約数ペア:

[(1, 80500780), (2, 40250390), (4, 20125195), (5, 16100156), (10, 8050078), (17, 4735340), (20, 4025039), (34, 2367670), (59, 1364420), (68, 1183835), (85, 947068), (118, 682210), (170, 473534), (236, 341105), (295, 272884), (340, 236767), (590, 136442), (1003, 80260), (1180, 68221), (2006, 40130), (4012, 20065), (4013, 20060), (5015, 16052), (8026, 10030)]