3197840

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{563}}^1$

素因数の和:647

約数の個数: 40

約数和(自身を含む): 7553088

約数和(自身を除く): 4355248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 563, 568, 710, 1126, 1136, 1420, 2252, 2815, 2840, 4504, 5630, 5680, 9008, 11260, 22520, 39973, 45040, 79946, 159892, 199865, 319784, 399730, 639568, 799460, 1598920, 3197840]

約数ペア:

[(1, 3197840), (2, 1598920), (4, 799460), (5, 639568), (8, 399730), (10, 319784), (16, 199865), (20, 159892), (40, 79946), (71, 45040), (80, 39973), (142, 22520), (284, 11260), (355, 9008), (563, 5680), (568, 5630), (710, 4504), (1126, 2840), (1136, 2815), (1420, 2252)]