80621140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{4019}}^1$

素因数の和:4104

約数の個数: 48

約数和(自身を含む): 182347200

約数和(自身を除く): 101726060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 59, 68, 85, 118, 170, 236, 295, 340, 590, 1003, 1180, 2006, 4012, 4019, 5015, 8038, 10030, 16076, 20060, 20095, 40190, 68323, 80380, 136646, 237121, 273292, 341615, 474242, 683230, 948484, 1185605, 1366460, 2371210, 4031057, 4742420, 8062114, 16124228, 20155285, 40310570, 80621140]

約数ペア:

[(1, 80621140), (2, 40310570), (4, 20155285), (5, 16124228), (10, 8062114), (17, 4742420), (20, 4031057), (34, 2371210), (59, 1366460), (68, 1185605), (85, 948484), (118, 683230), (170, 474242), (236, 341615), (295, 273292), (340, 237121), (590, 136646), (1003, 80380), (1180, 68323), (2006, 40190), (4012, 20095), (4019, 20060), (5015, 16076), (8038, 10030)]