207866240

素因数分解:

$2^7\times 5^1\times {\mathrm{324791}}^1$

素因数の和:324810

約数の個数: 32

約数和(自身を含む): 496931760

約数和(自身を除く): 289065520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 324791, 649582, 1299164, 1623955, 2598328, 3247910, 5196656, 6495820, 10393312, 12991640, 20786624, 25983280, 41573248, 51966560, 103933120, 207866240]

約数ペア:

[(1, 207866240), (2, 103933120), (4, 51966560), (5, 41573248), (8, 25983280), (10, 20786624), (16, 12991640), (20, 10393312), (32, 6495820), (40, 5196656), (64, 3247910), (80, 2598328), (128, 1623955), (160, 1299164), (320, 649582), (640, 324791)]