40489312

素因数分解:

$2^5\times {\mathrm{71}}^2\times {\mathrm{251}}^1$

素因数の和:403

約数の個数: 36

約数和(自身を含む): 81173988

約数和(自身を除く): 40684676

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 251, 284, 502, 568, 1004, 1136, 2008, 2272, 4016, 5041, 8032, 10082, 17821, 20164, 35642, 40328, 71284, 80656, 142568, 161312, 285136, 570272, 1265291, 2530582, 5061164, 10122328, 20244656, 40489312]

約数ペア:

[(1, 40489312), (2, 20244656), (4, 10122328), (8, 5061164), (16, 2530582), (32, 1265291), (71, 570272), (142, 285136), (251, 161312), (284, 142568), (502, 80656), (568, 71284), (1004, 40328), (1136, 35642), (2008, 20164), (2272, 17821), (4016, 10082), (5041, 8032)]