31504640

素因数分解:

$2^8\times 5^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1$

素因数の和:335

約数の個数: 72

約数和(自身を含む): 76429248

約数和(自身を除く): 44924608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 151, 160, 163, 256, 302, 320, 326, 604, 640, 652, 755, 815, 1208, 1280, 1304, 1510, 1630, 2416, 2608, 3020, 3260, 4832, 5216, 6040, 6520, 9664, 10432, 12080, 13040, 19328, 20864, 24160, 24613, 26080, 38656, 41728, 48320, 49226, 52160, 96640, 98452, 104320, 123065, 193280, 196904, 208640, 246130, 393808, 492260, 787616, 984520, 1575232, 1969040, 3150464, 3938080, 6300928, 7876160, 15752320, 31504640]

約数ペア:

[(1, 31504640), (2, 15752320), (4, 7876160), (5, 6300928), (8, 3938080), (10, 3150464), (16, 1969040), (20, 1575232), (32, 984520), (40, 787616), (64, 492260), (80, 393808), (128, 246130), (151, 208640), (160, 196904), (163, 193280), (256, 123065), (302, 104320), (320, 98452), (326, 96640), (604, 52160), (640, 49226), (652, 48320), (755, 41728), (815, 38656), (1208, 26080), (1280, 24613), (1304, 24160), (1510, 20864), (1630, 19328), (2416, 13040), (2608, 12080), (3020, 10432), (3260, 9664), (4832, 6520), (5216, 6040)]