80995960

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{54727}}^1$

素因数の和:54775

約数の個数: 32

約数和(自身を含む): 187169760

約数和(自身を除く): 106173800

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 54727, 109454, 218908, 273635, 437816, 547270, 1094540, 2024899, 2189080, 4049798, 8099596, 10124495, 16199192, 20248990, 40497980, 80995960]

約数ペア:

[(1, 80995960), (2, 40497980), (4, 20248990), (5, 16199192), (8, 10124495), (10, 8099596), (20, 4049798), (37, 2189080), (40, 2024899), (74, 1094540), (148, 547270), (185, 437816), (296, 273635), (370, 218908), (740, 109454), (1480, 54727)]