84080680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67807}}^1$

素因数の和:67849

約数の個数: 32

約数和(自身を含む): 195287040

約数和(自身を除く): 111206360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 67807, 135614, 271228, 339035, 542456, 678070, 1356140, 2102017, 2712280, 4204034, 8408068, 10510085, 16816136, 21020170, 42040340, 84080680]

約数ペア:

[(1, 84080680), (2, 42040340), (4, 21020170), (5, 16816136), (8, 10510085), (10, 8408068), (20, 4204034), (31, 2712280), (40, 2102017), (62, 1356140), (124, 678070), (155, 542456), (248, 339035), (310, 271228), (620, 135614), (1240, 67807)]