254208040

素因数分解:

$2^3\times 5^1\times {\mathrm{6355201}}^1$

素因数の和:6355212

約数の個数: 16

約数和(自身を含む): 571968180

約数和(自身を除く): 317760140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6355201, 12710402, 25420804, 31776005, 50841608, 63552010, 127104020, 254208040]

約数ペア:

[(1, 254208040), (2, 127104020), (4, 63552010), (5, 50841608), (8, 31776005), (10, 25420804), (20, 12710402), (40, 6355201)]