38364520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 89586000

約数和(自身を除く): 51221480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 149, 157, 164, 205, 298, 314, 328, 410, 596, 628, 745, 785, 820, 1192, 1256, 1490, 1570, 1640, 2980, 3140, 5960, 6109, 6280, 6437, 12218, 12874, 23393, 24436, 25748, 30545, 32185, 46786, 48872, 51496, 61090, 64370, 93572, 116965, 122180, 128740, 187144, 233930, 244360, 257480, 467860, 935720, 959113, 1918226, 3836452, 4795565, 7672904, 9591130, 19182260, 38364520]

約数ペア:

[(1, 38364520), (2, 19182260), (4, 9591130), (5, 7672904), (8, 4795565), (10, 3836452), (20, 1918226), (40, 959113), (41, 935720), (82, 467860), (149, 257480), (157, 244360), (164, 233930), (205, 187144), (298, 128740), (314, 122180), (328, 116965), (410, 93572), (596, 64370), (628, 61090), (745, 51496), (785, 48872), (820, 46786), (1192, 32185), (1256, 30545), (1490, 25748), (1570, 24436), (1640, 23393), (2980, 12874), (3140, 12218), (5960, 6437), (6109, 6280)]