401024080

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{45989}}^1$

素因数の和:46111

約数の個数: 40

約数和(自身を含む): 940955400

約数和(自身を除く): 539931320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 45989, 91978, 183956, 229945, 367912, 459890, 735824, 919780, 1839560, 3679120, 5012801, 10025602, 20051204, 25064005, 40102408, 50128010, 80204816, 100256020, 200512040, 401024080]

約数ペア:

[(1, 401024080), (2, 200512040), (4, 100256020), (5, 80204816), (8, 50128010), (10, 40102408), (16, 25064005), (20, 20051204), (40, 10025602), (80, 5012801), (109, 3679120), (218, 1839560), (436, 919780), (545, 735824), (872, 459890), (1090, 367912), (1744, 229945), (2180, 183956), (4360, 91978), (8720, 45989)]