161950400

素因数分解:

$2^6\times 5^2\times {\mathrm{127}}^1\times {\mathrm{797}}^1$

素因数の和:946

約数の個数: 84

約数和(自身を含む): 402140928

約数和(自身を除く): 240190528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 127, 160, 200, 254, 320, 400, 508, 635, 797, 800, 1016, 1270, 1594, 1600, 2032, 2540, 3175, 3188, 3985, 4064, 5080, 6350, 6376, 7970, 8128, 10160, 12700, 12752, 15940, 19925, 20320, 25400, 25504, 31880, 39850, 40640, 50800, 51008, 63760, 79700, 101219, 101600, 127520, 159400, 202438, 203200, 255040, 318800, 404876, 506095, 637600, 809752, 1012190, 1275200, 1619504, 2024380, 2530475, 3239008, 4048760, 5060950, 6478016, 8097520, 10121900, 16195040, 20243800, 32390080, 40487600, 80975200, 161950400]

約数ペア:

[(1, 161950400), (2, 80975200), (4, 40487600), (5, 32390080), (8, 20243800), (10, 16195040), (16, 10121900), (20, 8097520), (25, 6478016), (32, 5060950), (40, 4048760), (50, 3239008), (64, 2530475), (80, 2024380), (100, 1619504), (127, 1275200), (160, 1012190), (200, 809752), (254, 637600), (320, 506095), (400, 404876), (508, 318800), (635, 255040), (797, 203200), (800, 202438), (1016, 159400), (1270, 127520), (1594, 101600), (1600, 101219), (2032, 79700), (2540, 63760), (3175, 51008), (3188, 50800), (3985, 40640), (4064, 39850), (5080, 31880), (6350, 25504), (6376, 25400), (7970, 20320), (8128, 19925), (10160, 15940), (12700, 12752)]