122161960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{74489}}^1$

素因数の和:74541

約数の個数: 32

約数和(自身を含む): 281572200

約数和(自身を除く): 159410240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 74489, 148978, 297956, 372445, 595912, 744890, 1489780, 2979560, 3054049, 6108098, 12216196, 15270245, 24432392, 30540490, 61080980, 122161960]

約数ペア:

[(1, 122161960), (2, 61080980), (4, 30540490), (5, 24432392), (8, 15270245), (10, 12216196), (20, 6108098), (40, 3054049), (41, 2979560), (82, 1489780), (164, 744890), (205, 595912), (328, 372445), (410, 297956), (820, 148978), (1640, 74489)]