128522620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{279397}}^1$

素因数の和:279429

約数の個数: 24

約数和(自身を含む): 281633184

約数和(自身を除く): 153110564

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 279397, 558794, 1117588, 1396985, 2793970, 5587940, 6426131, 12852262, 25704524, 32130655, 64261310, 128522620]

約数ペア:

[(1, 128522620), (2, 64261310), (4, 32130655), (5, 25704524), (10, 12852262), (20, 6426131), (23, 5587940), (46, 2793970), (92, 1396985), (115, 1117588), (230, 558794), (460, 279397)]