80707280

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{17099}}^1$

素因数の和:17171

約数の個数: 40

約数和(自身を含む): 190836000

約数和(自身を除く): 110128720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 4720, 17099, 34198, 68396, 85495, 136792, 170990, 273584, 341980, 683960, 1008841, 1367920, 2017682, 4035364, 5044205, 8070728, 10088410, 16141456, 20176820, 40353640, 80707280]

約数ペア:

[(1, 80707280), (2, 40353640), (4, 20176820), (5, 16141456), (8, 10088410), (10, 8070728), (16, 5044205), (20, 4035364), (40, 2017682), (59, 1367920), (80, 1008841), (118, 683960), (236, 341980), (295, 273584), (472, 170990), (590, 136792), (944, 85495), (1180, 68396), (2360, 34198), (4720, 17099)]