898160

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:225

約数の個数: 40

約数和(自身を含む): 2127840

約数和(自身を除く): 1229680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 109, 206, 218, 412, 436, 515, 545, 824, 872, 1030, 1090, 1648, 1744, 2060, 2180, 4120, 4360, 8240, 8720, 11227, 22454, 44908, 56135, 89816, 112270, 179632, 224540, 449080, 898160]

約数ペア:

[(1, 898160), (2, 449080), (4, 224540), (5, 179632), (8, 112270), (10, 89816), (16, 56135), (20, 44908), (40, 22454), (80, 11227), (103, 8720), (109, 8240), (206, 4360), (218, 4120), (412, 2180), (436, 2060), (515, 1744), (545, 1648), (824, 1090), (872, 1030)]