80978624

素因数分解:

$2^6\times {\mathrm{71}}^2\times {\mathrm{251}}^1$

素因数の和:405

約数の個数: 42

約数和(自身を含む): 163636452

約数和(自身を除く): 82657828

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 142, 251, 284, 502, 568, 1004, 1136, 2008, 2272, 4016, 4544, 5041, 8032, 10082, 16064, 17821, 20164, 35642, 40328, 71284, 80656, 142568, 161312, 285136, 322624, 570272, 1140544, 1265291, 2530582, 5061164, 10122328, 20244656, 40489312, 80978624]

約数ペア:

[(1, 80978624), (2, 40489312), (4, 20244656), (8, 10122328), (16, 5061164), (32, 2530582), (64, 1265291), (71, 1140544), (142, 570272), (251, 322624), (284, 285136), (502, 161312), (568, 142568), (1004, 80656), (1136, 71284), (2008, 40328), (2272, 35642), (4016, 20164), (4544, 17821), (5041, 16064), (8032, 10082)]