291209680

素因数分解:

$2^4\times 5^1\times {\mathrm{3640121}}^1$

素因数の和:3640134

約数の個数: 20

約数和(自身を含む): 677062692

約数和(自身を除く): 385853012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3640121, 7280242, 14560484, 18200605, 29120968, 36401210, 58241936, 72802420, 145604840, 291209680]

約数ペア:

[(1, 291209680), (2, 145604840), (4, 72802420), (5, 58241936), (8, 36401210), (10, 29120968), (16, 18200605), (20, 14560484), (40, 7280242), (80, 3640121)]