101889560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{647}}^1$

素因数の和:816

約数の個数: 64

約数和(自身を含む): 238878720

約数和(自身を除く): 136989160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 127, 155, 248, 254, 310, 508, 620, 635, 647, 1016, 1240, 1270, 1294, 2540, 2588, 3235, 3937, 5080, 5176, 6470, 7874, 12940, 15748, 19685, 20057, 25880, 31496, 39370, 40114, 78740, 80228, 82169, 100285, 157480, 160456, 164338, 200570, 328676, 401140, 410845, 657352, 802280, 821690, 1643380, 2547239, 3286760, 5094478, 10188956, 12736195, 20377912, 25472390, 50944780, 101889560]

約数ペア:

[(1, 101889560), (2, 50944780), (4, 25472390), (5, 20377912), (8, 12736195), (10, 10188956), (20, 5094478), (31, 3286760), (40, 2547239), (62, 1643380), (124, 821690), (127, 802280), (155, 657352), (248, 410845), (254, 401140), (310, 328676), (508, 200570), (620, 164338), (635, 160456), (647, 157480), (1016, 100285), (1240, 82169), (1270, 80228), (1294, 78740), (2540, 40114), (2588, 39370), (3235, 31496), (3937, 25880), (5080, 20057), (5176, 19685), (6470, 15748), (7874, 12940)]