204472960

素因数分解:

$2^7\times 5^1\times {\mathrm{319489}}^1$

素因数の和:319508

約数の個数: 32

約数和(自身を含む): 488819700

約数和(自身を除く): 284346740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 319489, 638978, 1277956, 1597445, 2555912, 3194890, 5111824, 6389780, 10223648, 12779560, 20447296, 25559120, 40894592, 51118240, 102236480, 204472960]

約数ペア:

[(1, 204472960), (2, 102236480), (4, 51118240), (5, 40894592), (8, 25559120), (10, 20447296), (16, 12779560), (20, 10223648), (32, 6389780), (40, 5111824), (64, 3194890), (80, 2555912), (128, 1597445), (160, 1277956), (320, 638978), (640, 319489)]