31009280

素因数分解:

$2^9\times 5^1\times {\mathrm{12113}}^1$

素因数の和:12136

約数の個数: 40

約数和(自身を含む): 74355732

約数和(自身を除く): 43346452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 12113, 24226, 48452, 60565, 96904, 121130, 193808, 242260, 387616, 484520, 775232, 969040, 1550464, 1938080, 3100928, 3876160, 6201856, 7752320, 15504640, 31009280]

約数ペア:

[(1, 31009280), (2, 15504640), (4, 7752320), (5, 6201856), (8, 3876160), (10, 3100928), (16, 1938080), (20, 1550464), (32, 969040), (40, 775232), (64, 484520), (80, 387616), (128, 242260), (160, 193808), (256, 121130), (320, 96904), (512, 60565), (640, 48452), (1280, 24226), (2560, 12113)]