13175620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 29030400

約数和(自身を除く): 15854780

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 79, 124, 155, 158, 269, 310, 316, 395, 538, 620, 790, 1076, 1345, 1580, 2449, 2690, 4898, 5380, 8339, 9796, 12245, 16678, 21251, 24490, 33356, 41695, 42502, 48980, 83390, 85004, 106255, 166780, 212510, 425020, 658781, 1317562, 2635124, 3293905, 6587810, 13175620]

約数ペア:

[(1, 13175620), (2, 6587810), (4, 3293905), (5, 2635124), (10, 1317562), (20, 658781), (31, 425020), (62, 212510), (79, 166780), (124, 106255), (155, 85004), (158, 83390), (269, 48980), (310, 42502), (316, 41695), (395, 33356), (538, 24490), (620, 21251), (790, 16678), (1076, 12245), (1345, 9796), (1580, 8339), (2449, 5380), (2690, 4898)]