48720020

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{16349}}^1$

素因数の和:16507

約数の個数: 24

約数和(自身を含む): 103005000

約数和(自身を除く): 54284980

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 16349, 32698, 65396, 81745, 163490, 326980, 2436001, 4872002, 9744004, 12180005, 24360010, 48720020]

約数ペア:

[(1, 48720020), (2, 24360010), (4, 12180005), (5, 9744004), (10, 4872002), (20, 2436001), (149, 326980), (298, 163490), (596, 81745), (745, 65396), (1490, 32698), (2980, 16349)]