38619052720

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1\times {\mathrm{22147}}^1$

素因数の和:22538

約数の個数: 80

約数和(自身を含む): 91354652928

約数和(自身を除く): 52735600208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 307, 355, 568, 614, 710, 1136, 1228, 1420, 1535, 2456, 2840, 3070, 4912, 5680, 6140, 12280, 21797, 22147, 24560, 43594, 44294, 87188, 88588, 108985, 110735, 174376, 177176, 217970, 221470, 348752, 354352, 435940, 442940, 871880, 885880, 1572437, 1743760, 1771760, 3144874, 6289748, 6799129, 7862185, 12579496, 13598258, 15724370, 25158992, 27196516, 31448740, 33995645, 54393032, 62897480, 67991290, 108786064, 125794960, 135982580, 271965160, 482738159, 543930320, 965476318, 1930952636, 2413690795, 3861905272, 4827381590, 7723810544, 9654763180, 19309526360, 38619052720]

約数ペア:

[(1, 38619052720), (2, 19309526360), (4, 9654763180), (5, 7723810544), (8, 4827381590), (10, 3861905272), (16, 2413690795), (20, 1930952636), (40, 965476318), (71, 543930320), (80, 482738159), (142, 271965160), (284, 135982580), (307, 125794960), (355, 108786064), (568, 67991290), (614, 62897480), (710, 54393032), (1136, 33995645), (1228, 31448740), (1420, 27196516), (1535, 25158992), (2456, 15724370), (2840, 13598258), (3070, 12579496), (4912, 7862185), (5680, 6799129), (6140, 6289748), (12280, 3144874), (21797, 1771760), (22147, 1743760), (24560, 1572437), (43594, 885880), (44294, 871880), (87188, 442940), (88588, 435940), (108985, 354352), (110735, 348752), (174376, 221470), (177176, 217970)]