20090754080

素因数分解:

$2^5\times 5^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1\times {\mathrm{5623}}^1$

素因数の和:5938

約数の個数: 96

約数和(自身を含む): 48112735104

約数和(自身を除く): 28021981024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 137, 160, 163, 274, 326, 548, 652, 685, 815, 1096, 1304, 1370, 1630, 2192, 2608, 2740, 3260, 4384, 5216, 5480, 5623, 6520, 10960, 11246, 13040, 21920, 22331, 22492, 26080, 28115, 44662, 44984, 56230, 89324, 89968, 111655, 112460, 178648, 179936, 223310, 224920, 357296, 446620, 449840, 714592, 770351, 893240, 899680, 916549, 1540702, 1786480, 1833098, 3081404, 3572960, 3666196, 3851755, 4582745, 6162808, 7332392, 7703510, 9165490, 12325616, 14664784, 15407020, 18330980, 24651232, 29329568, 30814040, 36661960, 61628080, 73323920, 123256160, 125567213, 146647840, 251134426, 502268852, 627836065, 1004537704, 1255672130, 2009075408, 2511344260, 4018150816, 5022688520, 10045377040, 20090754080]

約数ペア:

[(1, 20090754080), (2, 10045377040), (4, 5022688520), (5, 4018150816), (8, 2511344260), (10, 2009075408), (16, 1255672130), (20, 1004537704), (32, 627836065), (40, 502268852), (80, 251134426), (137, 146647840), (160, 125567213), (163, 123256160), (274, 73323920), (326, 61628080), (548, 36661960), (652, 30814040), (685, 29329568), (815, 24651232), (1096, 18330980), (1304, 15407020), (1370, 14664784), (1630, 12325616), (2192, 9165490), (2608, 7703510), (2740, 7332392), (3260, 6162808), (4384, 4582745), (5216, 3851755), (5480, 3666196), (5623, 3572960), (6520, 3081404), (10960, 1833098), (11246, 1786480), (13040, 1540702), (21920, 916549), (22331, 899680), (22492, 893240), (26080, 770351), (28115, 714592), (44662, 449840), (44984, 446620), (56230, 357296), (89324, 224920), (89968, 223310), (111655, 179936), (112460, 178648)]