40549960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{587}}^1$

素因数の和:766

約数の個数: 64

約数和(自身を含む): 100336320

約数和(自身を除く): 59786360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 157, 220, 314, 440, 587, 628, 785, 1174, 1256, 1570, 1727, 2348, 2935, 3140, 3454, 4696, 5870, 6280, 6457, 6908, 8635, 11740, 12914, 13816, 17270, 23480, 25828, 32285, 34540, 51656, 64570, 69080, 92159, 129140, 184318, 258280, 368636, 460795, 737272, 921590, 1013749, 1843180, 2027498, 3686360, 4054996, 5068745, 8109992, 10137490, 20274980, 40549960]

約数ペア:

[(1, 40549960), (2, 20274980), (4, 10137490), (5, 8109992), (8, 5068745), (10, 4054996), (11, 3686360), (20, 2027498), (22, 1843180), (40, 1013749), (44, 921590), (55, 737272), (88, 460795), (110, 368636), (157, 258280), (220, 184318), (314, 129140), (440, 92159), (587, 69080), (628, 64570), (785, 51656), (1174, 34540), (1256, 32285), (1570, 25828), (1727, 23480), (2348, 17270), (2935, 13816), (3140, 12914), (3454, 11740), (4696, 8635), (5870, 6908), (6280, 6457)]