66595420

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{373}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 143256960

約数和(自身を除く): 76661540

約数列:

[1, 2, 4, 5, 10, 20, 79, 113, 158, 226, 316, 373, 395, 452, 565, 746, 790, 1130, 1492, 1580, 1865, 2260, 3730, 7460, 8927, 17854, 29467, 35708, 42149, 44635, 58934, 84298, 89270, 117868, 147335, 168596, 178540, 210745, 294670, 421490, 589340, 842980, 3329771, 6659542, 13319084, 16648855, 33297710, 66595420]

約数ペア:

[(1, 66595420), (2, 33297710), (4, 16648855), (5, 13319084), (10, 6659542), (20, 3329771), (79, 842980), (113, 589340), (158, 421490), (226, 294670), (316, 210745), (373, 178540), (395, 168596), (452, 147335), (565, 117868), (746, 89270), (790, 84298), (1130, 58934), (1492, 44635), (1580, 42149), (1865, 35708), (2260, 29467), (3730, 17854), (7460, 8927)]