28666040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{55127}}^1$

素因数の和:55151

約数の個数: 32

約数和(自身を含む): 69461280

約数和(自身を除く): 40795240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 55127, 110254, 220508, 275635, 441016, 551270, 716651, 1102540, 1433302, 2205080, 2866604, 3583255, 5733208, 7166510, 14333020, 28666040]

約数ペア:

[(1, 28666040), (2, 14333020), (4, 7166510), (5, 5733208), (8, 3583255), (10, 2866604), (13, 2205080), (20, 1433302), (26, 1102540), (40, 716651), (52, 551270), (65, 441016), (104, 275635), (130, 220508), (260, 110254), (520, 55127)]