79971280

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{6709}}^1$

素因数の和:6871

約数の個数: 40

約数和(自身を含む): 187209000

約数和(自身を除く): 107237720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2384, 2980, 5960, 6709, 11920, 13418, 26836, 33545, 53672, 67090, 107344, 134180, 268360, 536720, 999641, 1999282, 3998564, 4998205, 7997128, 9996410, 15994256, 19992820, 39985640, 79971280]

約数ペア:

[(1, 79971280), (2, 39985640), (4, 19992820), (5, 15994256), (8, 9996410), (10, 7997128), (16, 4998205), (20, 3998564), (40, 1999282), (80, 999641), (149, 536720), (298, 268360), (596, 134180), (745, 107344), (1192, 67090), (1490, 53672), (2384, 33545), (2980, 26836), (5960, 13418), (6709, 11920)]