225536720

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{65563}}^1$

素因数の和:65619

約数の個数: 40

約数和(自身を含む): 536575776

約数和(自身を除く): 311039056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 65563, 131126, 262252, 327815, 524504, 655630, 1049008, 1311260, 2622520, 2819209, 5245040, 5638418, 11276836, 14096045, 22553672, 28192090, 45107344, 56384180, 112768360, 225536720]

約数ペア:

[(1, 225536720), (2, 112768360), (4, 56384180), (5, 45107344), (8, 28192090), (10, 22553672), (16, 14096045), (20, 11276836), (40, 5638418), (43, 5245040), (80, 2819209), (86, 2622520), (172, 1311260), (215, 1049008), (344, 655630), (430, 524504), (688, 327815), (860, 262252), (1720, 131126), (3440, 65563)]