80331020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{52163}}^1$

素因数の和:52190

約数の個数: 48

約数和(自身を含む): 210325248

約数和(自身を除く): 129994228

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 52163, 104326, 208652, 260815, 365141, 521630, 573793, 730282, 1043260, 1147586, 1460564, 1825705, 2295172, 2868965, 3651410, 4016551, 5737930, 7302820, 8033102, 11475860, 16066204, 20082755, 40165510, 80331020]

約数ペア:

[(1, 80331020), (2, 40165510), (4, 20082755), (5, 16066204), (7, 11475860), (10, 8033102), (11, 7302820), (14, 5737930), (20, 4016551), (22, 3651410), (28, 2868965), (35, 2295172), (44, 1825705), (55, 1460564), (70, 1147586), (77, 1043260), (110, 730282), (140, 573793), (154, 521630), (220, 365141), (308, 260815), (385, 208652), (770, 104326), (1540, 52163)]