164352080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{66271}}^1$

素因数の和:66315

約数の個数: 40

約数和(自身を含む): 394450944

約数和(自身を除く): 230098864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 66271, 132542, 265084, 331355, 530168, 662710, 1060336, 1325420, 2054401, 2650840, 4108802, 5301680, 8217604, 10272005, 16435208, 20544010, 32870416, 41088020, 82176040, 164352080]

約数ペア:

[(1, 164352080), (2, 82176040), (4, 41088020), (5, 32870416), (8, 20544010), (10, 16435208), (16, 10272005), (20, 8217604), (31, 5301680), (40, 4108802), (62, 2650840), (80, 2054401), (124, 1325420), (155, 1060336), (248, 662710), (310, 530168), (496, 331355), (620, 265084), (1240, 132542), (2480, 66271)]