12739850

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{4177}}^1$

素因数の和:4250

約数の個数: 24

約数和(自身を含む): 24090348

約数和(自身を除く): 11350498

約数列:

[1, 2, 5, 10, 25, 50, 61, 122, 305, 610, 1525, 3050, 4177, 8354, 20885, 41770, 104425, 208850, 254797, 509594, 1273985, 2547970, 6369925, 12739850]

約数ペア:

[(1, 12739850), (2, 6369925), (5, 2547970), (10, 1273985), (25, 509594), (50, 254797), (61, 208850), (122, 104425), (305, 41770), (610, 20885), (1525, 8354), (3050, 4177)]