168885520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{68099}}^1$

素因数の和:68143

約数の個数: 40

約数和(自身を含む): 405331200

約数和(自身を除く): 236445680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 68099, 136198, 272396, 340495, 544792, 680990, 1089584, 1361980, 2111069, 2723960, 4222138, 5447920, 8444276, 10555345, 16888552, 21110690, 33777104, 42221380, 84442760, 168885520]

約数ペア:

[(1, 168885520), (2, 84442760), (4, 42221380), (5, 33777104), (8, 21110690), (10, 16888552), (16, 10555345), (20, 8444276), (31, 5447920), (40, 4222138), (62, 2723960), (80, 2111069), (124, 1361980), (155, 1089584), (248, 680990), (310, 544792), (496, 340495), (620, 272396), (1240, 136198), (2480, 68099)]