331529680

素因数分解:

$2^4\times 5^1\times {\mathrm{4144121}}^1$

素因数の和:4144134

約数の個数: 20

約数和(自身を含む): 770806692

約数和(自身を除く): 439277012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4144121, 8288242, 16576484, 20720605, 33152968, 41441210, 66305936, 82882420, 165764840, 331529680]

約数ペア:

[(1, 331529680), (2, 165764840), (4, 82882420), (5, 66305936), (8, 41441210), (10, 33152968), (16, 20720605), (20, 16576484), (40, 8288242), (80, 4144121)]