164060320

素因数分解:

$2^5\times 5^1\times {\mathrm{373}}^1\times {\mathrm{2749}}^1$

素因数の和:3137

約数の個数: 48

約数和(自身を含む): 388773000

約数和(自身を除く): 224712680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 373, 746, 1492, 1865, 2749, 2984, 3730, 5498, 5968, 7460, 10996, 11936, 13745, 14920, 21992, 27490, 29840, 43984, 54980, 59680, 87968, 109960, 219920, 439840, 1025377, 2050754, 4101508, 5126885, 8203016, 10253770, 16406032, 20507540, 32812064, 41015080, 82030160, 164060320]

約数ペア:

[(1, 164060320), (2, 82030160), (4, 41015080), (5, 32812064), (8, 20507540), (10, 16406032), (16, 10253770), (20, 8203016), (32, 5126885), (40, 4101508), (80, 2050754), (160, 1025377), (373, 439840), (746, 219920), (1492, 109960), (1865, 87968), (2749, 59680), (2984, 54980), (3730, 43984), (5498, 29840), (5968, 27490), (7460, 21992), (10996, 14920), (11936, 13745)]