49693640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 115864560

約数和(自身を除く): 66170920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 157, 164, 193, 205, 314, 328, 386, 410, 628, 772, 785, 820, 965, 1256, 1544, 1570, 1640, 1930, 3140, 3860, 6280, 6437, 7720, 7913, 12874, 15826, 25748, 30301, 31652, 32185, 39565, 51496, 60602, 63304, 64370, 79130, 121204, 128740, 151505, 158260, 242408, 257480, 303010, 316520, 606020, 1212040, 1242341, 2484682, 4969364, 6211705, 9938728, 12423410, 24846820, 49693640]

約数ペア:

[(1, 49693640), (2, 24846820), (4, 12423410), (5, 9938728), (8, 6211705), (10, 4969364), (20, 2484682), (40, 1242341), (41, 1212040), (82, 606020), (157, 316520), (164, 303010), (193, 257480), (205, 242408), (314, 158260), (328, 151505), (386, 128740), (410, 121204), (628, 79130), (772, 64370), (785, 63304), (820, 60602), (965, 51496), (1256, 39565), (1544, 32185), (1570, 31652), (1640, 30301), (1930, 25748), (3140, 15826), (3860, 12874), (6280, 7913), (6437, 7720)]