87125920

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11113}}^1$

素因数の和:11142

約数の個数: 72

約数和(自身を含む): 239462244

約数和(自身を除く): 152336324

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 11113, 22226, 44452, 55565, 77791, 88904, 111130, 155582, 177808, 222260, 311164, 355616, 388955, 444520, 544537, 622328, 777910, 889040, 1089074, 1244656, 1555820, 1778080, 2178148, 2489312, 2722685, 3111640, 4356296, 5445370, 6223280, 8712592, 10890740, 12446560, 17425184, 21781480, 43562960, 87125920]

約数ペア:

[(1, 87125920), (2, 43562960), (4, 21781480), (5, 17425184), (7, 12446560), (8, 10890740), (10, 8712592), (14, 6223280), (16, 5445370), (20, 4356296), (28, 3111640), (32, 2722685), (35, 2489312), (40, 2178148), (49, 1778080), (56, 1555820), (70, 1244656), (80, 1089074), (98, 889040), (112, 777910), (140, 622328), (160, 544537), (196, 444520), (224, 388955), (245, 355616), (280, 311164), (392, 222260), (490, 177808), (560, 155582), (784, 111130), (980, 88904), (1120, 77791), (1568, 55565), (1960, 44452), (3920, 22226), (7840, 11113)]