25347440

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{4729}}^1$

素因数の和:4809

約数の個数: 40

約数和(自身を含む): 59825040

約数和(自身を除く): 34477600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 4729, 5360, 9458, 18916, 23645, 37832, 47290, 75664, 94580, 189160, 316843, 378320, 633686, 1267372, 1584215, 2534744, 3168430, 5069488, 6336860, 12673720, 25347440]

約数ペア:

[(1, 25347440), (2, 12673720), (4, 6336860), (5, 5069488), (8, 3168430), (10, 2534744), (16, 1584215), (20, 1267372), (40, 633686), (67, 378320), (80, 316843), (134, 189160), (268, 94580), (335, 75664), (536, 47290), (670, 37832), (1072, 23645), (1340, 18916), (2680, 9458), (4729, 5360)]