40139140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1229}}^1$

素因数の和:1332

約数の個数: 48

約数和(自身を含む): 89268480

約数和(自身を除く): 49129340

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 71, 92, 115, 142, 230, 284, 355, 460, 710, 1229, 1420, 1633, 2458, 3266, 4916, 6145, 6532, 8165, 12290, 16330, 24580, 28267, 32660, 56534, 87259, 113068, 141335, 174518, 282670, 349036, 436295, 565340, 872590, 1745180, 2006957, 4013914, 8027828, 10034785, 20069570, 40139140]

約数ペア:

[(1, 40139140), (2, 20069570), (4, 10034785), (5, 8027828), (10, 4013914), (20, 2006957), (23, 1745180), (46, 872590), (71, 565340), (92, 436295), (115, 349036), (142, 282670), (230, 174518), (284, 141335), (355, 113068), (460, 87259), (710, 56534), (1229, 32660), (1420, 28267), (1633, 24580), (2458, 16330), (3266, 12290), (4916, 8165), (6145, 6532)]