140754640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3301}}^1$

素因数の和:3368

約数の個数: 80

約数和(自身を含む): 361133136

約数和(自身を除く): 220378496

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 410, 520, 533, 656, 820, 1040, 1066, 1640, 2132, 2665, 3280, 3301, 4264, 5330, 6602, 8528, 10660, 13204, 16505, 21320, 26408, 33010, 42640, 42913, 52816, 66020, 85826, 132040, 135341, 171652, 214565, 264080, 270682, 343304, 429130, 541364, 676705, 686608, 858260, 1082728, 1353410, 1716520, 1759433, 2165456, 2706820, 3433040, 3518866, 5413640, 7037732, 8797165, 10827280, 14075464, 17594330, 28150928, 35188660, 70377320, 140754640]

約数ペア:

[(1, 140754640), (2, 70377320), (4, 35188660), (5, 28150928), (8, 17594330), (10, 14075464), (13, 10827280), (16, 8797165), (20, 7037732), (26, 5413640), (40, 3518866), (41, 3433040), (52, 2706820), (65, 2165456), (80, 1759433), (82, 1716520), (104, 1353410), (130, 1082728), (164, 858260), (205, 686608), (208, 676705), (260, 541364), (328, 429130), (410, 343304), (520, 270682), (533, 264080), (656, 214565), (820, 171652), (1040, 135341), (1066, 132040), (1640, 85826), (2132, 66020), (2665, 52816), (3280, 42913), (3301, 42640), (4264, 33010), (5330, 26408), (6602, 21320), (8528, 16505), (10660, 13204)]