1238253880

素因数分解:

$2^3\times 5^1\times {\mathrm{30956347}}^1$

素因数の和:30956358

約数の個数: 16

約数和(自身を含む): 2786071320

約数和(自身を除く): 1547817440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 30956347, 61912694, 123825388, 154781735, 247650776, 309563470, 619126940, 1238253880]

約数ペア:

[(1, 1238253880), (2, 619126940), (4, 309563470), (5, 247650776), (8, 154781735), (10, 123825388), (20, 61912694), (40, 30956347)]