80671840

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{13627}}^1$

素因数の和:13679

約数の個数: 48

約数和(自身を含む): 195752592

約数和(自身を除く): 115080752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 740, 1184, 1480, 2960, 5920, 13627, 27254, 54508, 68135, 109016, 136270, 218032, 272540, 436064, 504199, 545080, 1008398, 1090160, 2016796, 2180320, 2520995, 4033592, 5041990, 8067184, 10083980, 16134368, 20167960, 40335920, 80671840]

約数ペア:

[(1, 80671840), (2, 40335920), (4, 20167960), (5, 16134368), (8, 10083980), (10, 8067184), (16, 5041990), (20, 4033592), (32, 2520995), (37, 2180320), (40, 2016796), (74, 1090160), (80, 1008398), (148, 545080), (160, 504199), (185, 436064), (296, 272540), (370, 218032), (592, 136270), (740, 109016), (1184, 68135), (1480, 54508), (2960, 27254), (5920, 13627)]