74744840

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{35257}}^1$

素因数の和:35321

約数の個数: 32

約数和(自身を含む): 171353880

約数和(自身を除く): 96609040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 35257, 70514, 141028, 176285, 282056, 352570, 705140, 1410280, 1868621, 3737242, 7474484, 9343105, 14948968, 18686210, 37372420, 74744840]

約数ペア:

[(1, 74744840), (2, 37372420), (4, 18686210), (5, 14948968), (8, 9343105), (10, 7474484), (20, 3737242), (40, 1868621), (53, 1410280), (106, 705140), (212, 352570), (265, 282056), (424, 176285), (530, 141028), (1060, 70514), (2120, 35257)]