80534020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{575243}}^1$

素因数の和:575259

約数の個数: 24

約数和(自身を含む): 193281984

約数和(自身を除く): 112747964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 575243, 1150486, 2300972, 2876215, 4026701, 5752430, 8053402, 11504860, 16106804, 20133505, 40267010, 80534020]

約数ペア:

[(1, 80534020), (2, 40267010), (4, 20133505), (5, 16106804), (7, 11504860), (10, 8053402), (14, 5752430), (20, 4026701), (28, 2876215), (35, 2300972), (70, 1150486), (140, 575243)]