136499840

素因数分解:

$2^7\times 5^1\times {\mathrm{213281}}^1$

素因数の和:213300

約数の個数: 32

約数和(自身を含む): 326321460

約数和(自身を除く): 189821620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 213281, 426562, 853124, 1066405, 1706248, 2132810, 3412496, 4265620, 6824992, 8531240, 13649984, 17062480, 27299968, 34124960, 68249920, 136499840]

約数ペア:

[(1, 136499840), (2, 68249920), (4, 34124960), (5, 27299968), (8, 17062480), (10, 13649984), (16, 8531240), (20, 6824992), (32, 4265620), (40, 3412496), (64, 2132810), (80, 1706248), (128, 1066405), (160, 853124), (320, 426562), (640, 213281)]