64470400

素因数分解:

$2^7\times 5^2\times {\mathrm{20147}}^1$

素因数の和:20171

約数の個数: 48

約数和(自身を含む): 159269940

約数和(自身を除く): 94799540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 20147, 40294, 80588, 100735, 161176, 201470, 322352, 402940, 503675, 644704, 805880, 1007350, 1289408, 1611760, 2014700, 2578816, 3223520, 4029400, 6447040, 8058800, 12894080, 16117600, 32235200, 64470400]

約数ペア:

[(1, 64470400), (2, 32235200), (4, 16117600), (5, 12894080), (8, 8058800), (10, 6447040), (16, 4029400), (20, 3223520), (25, 2578816), (32, 2014700), (40, 1611760), (50, 1289408), (64, 1007350), (80, 805880), (100, 644704), (128, 503675), (160, 402940), (200, 322352), (320, 201470), (400, 161176), (640, 100735), (800, 80588), (1600, 40294), (3200, 20147)]