30842480

素因数分解:

$2^4\times 5^1\times {\mathrm{385531}}^1$

素因数の和:385544

約数の個数: 20

約数和(自身を含む): 71708952

約数和(自身を除く): 40866472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 385531, 771062, 1542124, 1927655, 3084248, 3855310, 6168496, 7710620, 15421240, 30842480]

約数ペア:

[(1, 30842480), (2, 15421240), (4, 7710620), (5, 6168496), (8, 3855310), (10, 3084248), (16, 1927655), (20, 1542124), (40, 771062), (80, 385531)]