1939720

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{683}}^1$

素因数の和:765

約数の個数: 32

約数和(自身を含む): 4432320

約数和(自身を除く): 2492600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 683, 710, 1366, 1420, 2732, 2840, 3415, 5464, 6830, 13660, 27320, 48493, 96986, 193972, 242465, 387944, 484930, 969860, 1939720]

約数ペア:

[(1, 1939720), (2, 969860), (4, 484930), (5, 387944), (8, 242465), (10, 193972), (20, 96986), (40, 48493), (71, 27320), (142, 13660), (284, 6830), (355, 5464), (568, 3415), (683, 2840), (710, 2732), (1366, 1420)]