40638800

素因数分解:

$2^4\times 5^2\times {\mathrm{283}}^1\times {\mathrm{359}}^1$

素因数の和:660

約数の個数: 60

約数和(自身を含む): 98252640

約数和(自身を除く): 57613840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 283, 359, 400, 566, 718, 1132, 1415, 1436, 1795, 2264, 2830, 2872, 3590, 4528, 5660, 5744, 7075, 7180, 8975, 11320, 14150, 14360, 17950, 22640, 28300, 28720, 35900, 56600, 71800, 101597, 113200, 143600, 203194, 406388, 507985, 812776, 1015970, 1625552, 2031940, 2539925, 4063880, 5079850, 8127760, 10159700, 20319400, 40638800]

約数ペア:

[(1, 40638800), (2, 20319400), (4, 10159700), (5, 8127760), (8, 5079850), (10, 4063880), (16, 2539925), (20, 2031940), (25, 1625552), (40, 1015970), (50, 812776), (80, 507985), (100, 406388), (200, 203194), (283, 143600), (359, 113200), (400, 101597), (566, 71800), (718, 56600), (1132, 35900), (1415, 28720), (1436, 28300), (1795, 22640), (2264, 17950), (2830, 14360), (2872, 14150), (3590, 11320), (4528, 8975), (5660, 7180), (5744, 7075)]