197656640

素因数分解:

$2^6\times 5^1\times {\mathrm{617677}}^1$

素因数の和:617694

約数の個数: 28

約数和(自身を含む): 470670636

約数和(自身を除く): 273013996

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 617677, 1235354, 2470708, 3088385, 4941416, 6176770, 9882832, 12353540, 19765664, 24707080, 39531328, 49414160, 98828320, 197656640]

約数ペア:

[(1, 197656640), (2, 98828320), (4, 49414160), (5, 39531328), (8, 24707080), (10, 19765664), (16, 12353540), (20, 9882832), (32, 6176770), (40, 4941416), (64, 3088385), (80, 2470708), (160, 1235354), (320, 617677)]