30832720

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8963}}^1$

素因数の和:9019

約数の個数: 40

約数和(自身を含む): 73361376

約数和(自身を除く): 42528656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 8963, 17926, 35852, 44815, 71704, 89630, 143408, 179260, 358520, 385409, 717040, 770818, 1541636, 1927045, 3083272, 3854090, 6166544, 7708180, 15416360, 30832720]

約数ペア:

[(1, 30832720), (2, 15416360), (4, 7708180), (5, 6166544), (8, 3854090), (10, 3083272), (16, 1927045), (20, 1541636), (40, 770818), (43, 717040), (80, 385409), (86, 358520), (172, 179260), (215, 143408), (344, 89630), (430, 71704), (688, 44815), (860, 35852), (1720, 17926), (3440, 8963)]