30084520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{17491}}^1$

素因数の和:17545

約数の個数: 32

約数和(自身を含む): 69268320

約数和(自身を除く): 39183800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 17491, 34982, 69964, 87455, 139928, 174910, 349820, 699640, 752113, 1504226, 3008452, 3760565, 6016904, 7521130, 15042260, 30084520]

約数ペア:

[(1, 30084520), (2, 15042260), (4, 7521130), (5, 6016904), (8, 3760565), (10, 3008452), (20, 1504226), (40, 752113), (43, 699640), (86, 349820), (172, 174910), (215, 139928), (344, 87455), (430, 69964), (860, 34982), (1720, 17491)]