80457980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{108727}}^1$

素因数の和:108773

約数の個数: 24

約数和(自身を含む): 173529888

約数和(自身を除く): 93071908

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 108727, 217454, 434908, 543635, 1087270, 2174540, 4022899, 8045798, 16091596, 20114495, 40228990, 80457980]

約数ペア:

[(1, 80457980), (2, 40228990), (4, 20114495), (5, 16091596), (10, 8045798), (20, 4022899), (37, 2174540), (74, 1087270), (148, 543635), (185, 434908), (370, 217454), (740, 108727)]