1266156680

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{295831}}^1$

素因数の和:295949

約数の個数: 32

約数和(自身を含む): 2875487040

約数和(自身を除く): 1609330360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 295831, 591662, 1183324, 1479155, 2366648, 2958310, 5916620, 11833240, 31653917, 63307834, 126615668, 158269585, 253231336, 316539170, 633078340, 1266156680]

約数ペア:

[(1, 1266156680), (2, 633078340), (4, 316539170), (5, 253231336), (8, 158269585), (10, 126615668), (20, 63307834), (40, 31653917), (107, 11833240), (214, 5916620), (428, 2958310), (535, 2366648), (856, 1479155), (1070, 1183324), (2140, 591662), (4280, 295831)]