28683980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{110323}}^1$

素因数の和:110345

約数の個数: 24

約数和(自身を含む): 64870512

約数和(自身を除く): 36186532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 110323, 220646, 441292, 551615, 1103230, 1434199, 2206460, 2868398, 5736796, 7170995, 14341990, 28683980]

約数ペア:

[(1, 28683980), (2, 14341990), (4, 7170995), (5, 5736796), (10, 2868398), (13, 2206460), (20, 1434199), (26, 1103230), (52, 551615), (65, 441292), (130, 220646), (260, 110323)]