40107040

素因数分解:

$2^5\times 5^1\times {\mathrm{439}}^1\times {\mathrm{571}}^1$

素因数の和:1025

約数の個数: 48

約数和(自身を含む): 95135040

約数和(自身を除く): 55028000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 439, 571, 878, 1142, 1756, 2195, 2284, 2855, 3512, 4390, 4568, 5710, 7024, 8780, 9136, 11420, 14048, 17560, 18272, 22840, 35120, 45680, 70240, 91360, 250669, 501338, 1002676, 1253345, 2005352, 2506690, 4010704, 5013380, 8021408, 10026760, 20053520, 40107040]

約数ペア:

[(1, 40107040), (2, 20053520), (4, 10026760), (5, 8021408), (8, 5013380), (10, 4010704), (16, 2506690), (20, 2005352), (32, 1253345), (40, 1002676), (80, 501338), (160, 250669), (439, 91360), (571, 70240), (878, 45680), (1142, 35120), (1756, 22840), (2195, 18272), (2284, 17560), (2855, 14048), (3512, 11420), (4390, 9136), (4568, 8780), (5710, 7024)]