164099120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{66169}}^1$

素因数の和:66213

約数の個数: 40

約数和(自身を含む): 393843840

約数和(自身を除く): 229744720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 66169, 132338, 264676, 330845, 529352, 661690, 1058704, 1323380, 2051239, 2646760, 4102478, 5293520, 8204956, 10256195, 16409912, 20512390, 32819824, 41024780, 82049560, 164099120]

約数ペア:

[(1, 164099120), (2, 82049560), (4, 41024780), (5, 32819824), (8, 20512390), (10, 16409912), (16, 10256195), (20, 8204956), (31, 5293520), (40, 4102478), (62, 2646760), (80, 2051239), (124, 1323380), (155, 1058704), (248, 661690), (310, 529352), (496, 330845), (620, 264676), (1240, 132338), (2480, 66169)]