80190320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{143197}}^1$

素因数の和:143217

約数の個数: 40

約数和(自身を含む): 213078624

約数和(自身を除く): 132888304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 143197, 286394, 572788, 715985, 1002379, 1145576, 1431970, 2004758, 2291152, 2863940, 4009516, 5011895, 5727880, 8019032, 10023790, 11455760, 16038064, 20047580, 40095160, 80190320]

約数ペア:

[(1, 80190320), (2, 40095160), (4, 20047580), (5, 16038064), (7, 11455760), (8, 10023790), (10, 8019032), (14, 5727880), (16, 5011895), (20, 4009516), (28, 2863940), (35, 2291152), (40, 2004758), (56, 1431970), (70, 1145576), (80, 1002379), (112, 715985), (140, 572788), (280, 286394), (560, 143197)]