204029720

素因数分解:

$2^3\times 5^1\times {\mathrm{571}}^1\times {\mathrm{8933}}^1$

素因数の和:9515

約数の個数: 32

約数和(自身を含む): 459922320

約数和(自身を除く): 255892600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 571, 1142, 2284, 2855, 4568, 5710, 8933, 11420, 17866, 22840, 35732, 44665, 71464, 89330, 178660, 357320, 5100743, 10201486, 20402972, 25503715, 40805944, 51007430, 102014860, 204029720]

約数ペア:

[(1, 204029720), (2, 102014860), (4, 51007430), (5, 40805944), (8, 25503715), (10, 20402972), (20, 10201486), (40, 5100743), (571, 357320), (1142, 178660), (2284, 89330), (2855, 71464), (4568, 44665), (5710, 35732), (8933, 22840), (11420, 17866)]