25788160

素因数分解:

$2^8\times 5^1\times {\mathrm{20147}}^1$

素因数の和:20168

約数の個数: 36

約数和(自身を含む): 61773768

約数和(自身を除く): 35985608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 20147, 40294, 80588, 100735, 161176, 201470, 322352, 402940, 644704, 805880, 1289408, 1611760, 2578816, 3223520, 5157632, 6447040, 12894080, 25788160]

約数ペア:

[(1, 25788160), (2, 12894080), (4, 6447040), (5, 5157632), (8, 3223520), (10, 2578816), (16, 1611760), (20, 1289408), (32, 805880), (40, 644704), (64, 402940), (80, 322352), (128, 201470), (160, 161176), (256, 100735), (320, 80588), (640, 40294), (1280, 20147)]