66185320

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{8663}}^1$

素因数の和:8865

約数の個数: 32

約数和(自身を含む): 149713920

約数和(自身を除く): 83528600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 8663, 17326, 34652, 43315, 69304, 86630, 173260, 346520, 1654633, 3309266, 6618532, 8273165, 13237064, 16546330, 33092660, 66185320]

約数ペア:

[(1, 66185320), (2, 33092660), (4, 16546330), (5, 13237064), (8, 8273165), (10, 6618532), (20, 3309266), (40, 1654633), (191, 346520), (382, 173260), (764, 86630), (955, 69304), (1528, 43315), (1910, 34652), (3820, 17326), (7640, 8663)]