72100040

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{26903}}^1$

素因数の和:26981

約数の個数: 32

約数和(自身を含む): 164652480

約数和(自身を除く): 92552440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 26903, 53806, 107612, 134515, 215224, 269030, 538060, 1076120, 1802501, 3605002, 7210004, 9012505, 14420008, 18025010, 36050020, 72100040]

約数ペア:

[(1, 72100040), (2, 36050020), (4, 18025010), (5, 14420008), (8, 9012505), (10, 7210004), (20, 3605002), (40, 1802501), (67, 1076120), (134, 538060), (268, 269030), (335, 215224), (536, 134515), (670, 107612), (1340, 53806), (2680, 26903)]