8319940

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 18289152

約数和(自身を除く): 9969212

約数列:

[1, 2, 4, 5, 10, 20, 47, 53, 94, 106, 167, 188, 212, 235, 265, 334, 470, 530, 668, 835, 940, 1060, 1670, 2491, 3340, 4982, 7849, 8851, 9964, 12455, 15698, 17702, 24910, 31396, 35404, 39245, 44255, 49820, 78490, 88510, 156980, 177020, 415997, 831994, 1663988, 2079985, 4159970, 8319940]

約数ペア:

[(1, 8319940), (2, 4159970), (4, 2079985), (5, 1663988), (10, 831994), (20, 415997), (47, 177020), (53, 156980), (94, 88510), (106, 78490), (167, 49820), (188, 44255), (212, 39245), (235, 35404), (265, 31396), (334, 24910), (470, 17702), (530, 15698), (668, 12455), (835, 9964), (940, 8851), (1060, 7849), (1670, 4982), (2491, 3340)]