163396040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131771}}^1$

素因数の和:131813

約数の個数: 32

約数和(自身を含む): 379503360

約数和(自身を除く): 216107320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 131771, 263542, 527084, 658855, 1054168, 1317710, 2635420, 4084901, 5270840, 8169802, 16339604, 20424505, 32679208, 40849010, 81698020, 163396040]

約数ペア:

[(1, 163396040), (2, 81698020), (4, 40849010), (5, 32679208), (8, 20424505), (10, 16339604), (20, 8169802), (31, 5270840), (40, 4084901), (62, 2635420), (124, 1317710), (155, 1054168), (248, 658855), (310, 527084), (620, 263542), (1240, 131771)]