72279740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277999}}^1$

素因数の和:278021

約数の個数: 24

約数和(自身を含む): 163464000

約数和(自身を除く): 91184260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 277999, 555998, 1111996, 1389995, 2779990, 3613987, 5559980, 7227974, 14455948, 18069935, 36139870, 72279740]

約数ペア:

[(1, 72279740), (2, 36139870), (4, 18069935), (5, 14455948), (10, 7227974), (13, 5559980), (20, 3613987), (26, 2779990), (52, 1389995), (65, 1111996), (130, 555998), (260, 277999)]