28642550

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{9391}}^1$

素因数の和:9464

約数の個数: 24

約数和(自身を含む): 54154272

約数和(自身を除く): 25511722

約数列:

[1, 2, 5, 10, 25, 50, 61, 122, 305, 610, 1525, 3050, 9391, 18782, 46955, 93910, 234775, 469550, 572851, 1145702, 2864255, 5728510, 14321275, 28642550]

約数ペア:

[(1, 28642550), (2, 14321275), (5, 5728510), (10, 2864255), (25, 1145702), (50, 572851), (61, 469550), (122, 234775), (305, 93910), (610, 46955), (1525, 18782), (3050, 9391)]