221529920

素因数分解:

$2^6\times 5^1\times {\mathrm{692281}}^1$

素因数の和:692298

約数の個数: 28

約数和(自身を含む): 527518884

約数和(自身を除く): 305988964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 692281, 1384562, 2769124, 3461405, 5538248, 6922810, 11076496, 13845620, 22152992, 27691240, 44305984, 55382480, 110764960, 221529920]

約数ペア:

[(1, 221529920), (2, 110764960), (4, 55382480), (5, 44305984), (8, 27691240), (10, 22152992), (16, 13845620), (20, 11076496), (32, 6922810), (40, 5538248), (64, 3461405), (80, 2769124), (160, 1384562), (320, 692281)]