28343380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109013}}^1$

素因数の和:109035

約数の個数: 24

約数和(自身を含む): 64100232

約数和(自身を除く): 35756852

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 109013, 218026, 436052, 545065, 1090130, 1417169, 2180260, 2834338, 5668676, 7085845, 14171690, 28343380]

約数ペア:

[(1, 28343380), (2, 14171690), (4, 7085845), (5, 5668676), (10, 2834338), (13, 2180260), (20, 1417169), (26, 1090130), (52, 545065), (65, 436052), (130, 218026), (260, 109013)]