25169080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 58968000

約数和(自身を除く): 33798920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 103, 149, 164, 205, 206, 298, 328, 410, 412, 515, 596, 745, 820, 824, 1030, 1192, 1490, 1640, 2060, 2980, 4120, 4223, 5960, 6109, 8446, 12218, 15347, 16892, 21115, 24436, 30545, 30694, 33784, 42230, 48872, 61090, 61388, 76735, 84460, 122180, 122776, 153470, 168920, 244360, 306940, 613880, 629227, 1258454, 2516908, 3146135, 5033816, 6292270, 12584540, 25169080]

約数ペア:

[(1, 25169080), (2, 12584540), (4, 6292270), (5, 5033816), (8, 3146135), (10, 2516908), (20, 1258454), (40, 629227), (41, 613880), (82, 306940), (103, 244360), (149, 168920), (164, 153470), (205, 122776), (206, 122180), (298, 84460), (328, 76735), (410, 61388), (412, 61090), (515, 48872), (596, 42230), (745, 33784), (820, 30694), (824, 30545), (1030, 24436), (1192, 21115), (1490, 16892), (1640, 15347), (2060, 12218), (2980, 8446), (4120, 6109), (4223, 5960)]