11501720

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{683}}^1$

素因数の和:1115

約数の個数: 32

約数和(自身を含む): 25978320

約数和(自身を除く): 14476600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 683, 842, 1366, 1684, 2105, 2732, 3368, 3415, 4210, 5464, 6830, 8420, 13660, 16840, 27320, 287543, 575086, 1150172, 1437715, 2300344, 2875430, 5750860, 11501720]

約数ペア:

[(1, 11501720), (2, 5750860), (4, 2875430), (5, 2300344), (8, 1437715), (10, 1150172), (20, 575086), (40, 287543), (421, 27320), (683, 16840), (842, 13660), (1366, 8420), (1684, 6830), (2105, 5464), (2732, 4210), (3368, 3415)]