165396160

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16673}}^1$

素因数の和:16721

約数の個数: 56

約数和(自身を含む): 406578816

約数和(自身を除く): 241182656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 16673, 33346, 66692, 83365, 133384, 166730, 266768, 333460, 516863, 533536, 666920, 1033726, 1067072, 1333840, 2067452, 2584315, 2667680, 4134904, 5168630, 5335360, 8269808, 10337260, 16539616, 20674520, 33079232, 41349040, 82698080, 165396160]

約数ペア:

[(1, 165396160), (2, 82698080), (4, 41349040), (5, 33079232), (8, 20674520), (10, 16539616), (16, 10337260), (20, 8269808), (31, 5335360), (32, 5168630), (40, 4134904), (62, 2667680), (64, 2584315), (80, 2067452), (124, 1333840), (155, 1067072), (160, 1033726), (248, 666920), (310, 533536), (320, 516863), (496, 333460), (620, 266768), (992, 166730), (1240, 133384), (1984, 83365), (2480, 66692), (4960, 33346), (9920, 16673)]