137483960

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{15413}}^1$

素因数の和:15647

約数の個数: 32

約数和(自身を含む): 310746240

約数和(自身を除く): 173262280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 8920, 15413, 30826, 61652, 77065, 123304, 154130, 308260, 616520, 3437099, 6874198, 13748396, 17185495, 27496792, 34370990, 68741980, 137483960]

約数ペア:

[(1, 137483960), (2, 68741980), (4, 34370990), (5, 27496792), (8, 17185495), (10, 13748396), (20, 6874198), (40, 3437099), (223, 616520), (446, 308260), (892, 154130), (1115, 123304), (1784, 77065), (2230, 61652), (4460, 30826), (8920, 15413)]