38414940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{640249}}^1$

素因数の和:640261

約数の個数: 24

約数和(自身を含む): 107562000

約数和(自身を除く): 69147060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 640249, 1280498, 1920747, 2560996, 3201245, 3841494, 6402490, 7682988, 9603735, 12804980, 19207470, 38414940]

約数ペア:

[(1, 38414940), (2, 19207470), (3, 12804980), (4, 9603735), (5, 7682988), (6, 6402490), (10, 3841494), (12, 3201245), (15, 2560996), (20, 1920747), (30, 1280498), (60, 640249)]