38572720

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11213}}^1$

素因数の和:11269

約数の個数: 40

約数和(自身を含む): 91775376

約数和(自身を除く): 53202656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 11213, 22426, 44852, 56065, 89704, 112130, 179408, 224260, 448520, 482159, 897040, 964318, 1928636, 2410795, 3857272, 4821590, 7714544, 9643180, 19286360, 38572720]

約数ペア:

[(1, 38572720), (2, 19286360), (4, 9643180), (5, 7714544), (8, 4821590), (10, 3857272), (16, 2410795), (20, 1928636), (40, 964318), (43, 897040), (80, 482159), (86, 448520), (172, 224260), (215, 179408), (344, 112130), (430, 89704), (688, 56065), (860, 44852), (1720, 22426), (3440, 11213)]