201895040

素因数分解:

$2^7\times 5^1\times {\mathrm{315461}}^1$

素因数の和:315480

約数の個数: 32

約数和(自身を含む): 482656860

約数和(自身を除く): 280761820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 315461, 630922, 1261844, 1577305, 2523688, 3154610, 5047376, 6309220, 10094752, 12618440, 20189504, 25236880, 40379008, 50473760, 100947520, 201895040]

約数ペア:

[(1, 201895040), (2, 100947520), (4, 50473760), (5, 40379008), (8, 25236880), (10, 20189504), (16, 12618440), (20, 10094752), (32, 6309220), (40, 5047376), (64, 3154610), (80, 2523688), (128, 1577305), (160, 1261844), (320, 630922), (640, 315461)]