72539440

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31267}}^1$

素因数の和:31309

約数の個数: 40

約数和(自身を含む): 174475440

約数和(自身を除く): 101936000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 31267, 62534, 125068, 156335, 250136, 312670, 500272, 625340, 906743, 1250680, 1813486, 2501360, 3626972, 4533715, 7253944, 9067430, 14507888, 18134860, 36269720, 72539440]

約数ペア:

[(1, 72539440), (2, 36269720), (4, 18134860), (5, 14507888), (8, 9067430), (10, 7253944), (16, 4533715), (20, 3626972), (29, 2501360), (40, 1813486), (58, 1250680), (80, 906743), (116, 625340), (145, 500272), (232, 312670), (290, 250136), (464, 156335), (580, 125068), (1160, 62534), (2320, 31267)]