28529020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{613}}^1$

素因数の和:814

約数の個数: 48

約数和(自身を含む): 64985760

約数和(自身を除く): 36456740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 179, 260, 358, 613, 716, 895, 1226, 1790, 2327, 2452, 3065, 3580, 4654, 6130, 7969, 9308, 11635, 12260, 15938, 23270, 31876, 39845, 46540, 79690, 109727, 159380, 219454, 438908, 548635, 1097270, 1426451, 2194540, 2852902, 5705804, 7132255, 14264510, 28529020]

約数ペア:

[(1, 28529020), (2, 14264510), (4, 7132255), (5, 5705804), (10, 2852902), (13, 2194540), (20, 1426451), (26, 1097270), (52, 548635), (65, 438908), (130, 219454), (179, 159380), (260, 109727), (358, 79690), (613, 46540), (716, 39845), (895, 31876), (1226, 23270), (1790, 15938), (2327, 12260), (2452, 11635), (3065, 9308), (3580, 7969), (4654, 6130)]