28040080

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9473}}^1$

素因数の和:9523

約数の個数: 40

約数和(自身を含む): 66962232

約数和(自身を除く): 38922152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 9473, 18946, 37892, 47365, 75784, 94730, 151568, 189460, 350501, 378920, 701002, 757840, 1402004, 1752505, 2804008, 3505010, 5608016, 7010020, 14020040, 28040080]

約数ペア:

[(1, 28040080), (2, 14020040), (4, 7010020), (5, 5608016), (8, 3505010), (10, 2804008), (16, 1752505), (20, 1402004), (37, 757840), (40, 701002), (74, 378920), (80, 350501), (148, 189460), (185, 151568), (296, 94730), (370, 75784), (592, 47365), (740, 37892), (1480, 18946), (2960, 9473)]