2019646840

素因数分解:

$2^3\times 5^1\times {\mathrm{50491171}}^1$

素因数の和:50491182

約数の個数: 16

約数和(自身を含む): 4544205480

約数和(自身を除く): 2524558640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 50491171, 100982342, 201964684, 252455855, 403929368, 504911710, 1009823420, 2019646840]

約数ペア:

[(1, 2019646840), (2, 1009823420), (4, 504911710), (5, 403929368), (8, 252455855), (10, 201964684), (20, 100982342), (40, 50491171)]