128845360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{230081}}^1$

素因数の和:230101

約数の個数: 40

約数和(自身を含む): 342362016

約数和(自身を除く): 213516656

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 230081, 460162, 920324, 1150405, 1610567, 1840648, 2300810, 3221134, 3681296, 4601620, 6442268, 8052835, 9203240, 12884536, 16105670, 18406480, 25769072, 32211340, 64422680, 128845360]

約数ペア:

[(1, 128845360), (2, 64422680), (4, 32211340), (5, 25769072), (7, 18406480), (8, 16105670), (10, 12884536), (14, 9203240), (16, 8052835), (20, 6442268), (28, 4601620), (35, 3681296), (40, 3221134), (56, 2300810), (70, 1840648), (80, 1610567), (112, 1150405), (140, 920324), (280, 460162), (560, 230081)]