38992980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49991}}^1$

素因数の和:50016

約数の個数: 48

約数和(自身を含む): 117581184

約数和(自身を除く): 78588204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 49991, 99982, 149973, 199964, 249955, 299946, 499910, 599892, 649883, 749865, 999820, 1299766, 1499730, 1949649, 2599532, 2999460, 3249415, 3899298, 6498830, 7798596, 9748245, 12997660, 19496490, 38992980]

約数ペア:

[(1, 38992980), (2, 19496490), (3, 12997660), (4, 9748245), (5, 7798596), (6, 6498830), (10, 3899298), (12, 3249415), (13, 2999460), (15, 2599532), (20, 1949649), (26, 1499730), (30, 1299766), (39, 999820), (52, 749865), (60, 649883), (65, 599892), (78, 499910), (130, 299946), (156, 249955), (195, 199964), (260, 149973), (390, 99982), (780, 49991)]