40996960

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2879}}^1$

素因数の和:2983

約数の個数: 48

約数和(自身を含む): 97977600

約数和(自身を除く): 56980640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2848, 2879, 3560, 5758, 7120, 11516, 14240, 14395, 23032, 28790, 46064, 57580, 92128, 115160, 230320, 256231, 460640, 512462, 1024924, 1281155, 2049848, 2562310, 4099696, 5124620, 8199392, 10249240, 20498480, 40996960]

約数ペア:

[(1, 40996960), (2, 20498480), (4, 10249240), (5, 8199392), (8, 5124620), (10, 4099696), (16, 2562310), (20, 2049848), (32, 1281155), (40, 1024924), (80, 512462), (89, 460640), (160, 256231), (178, 230320), (356, 115160), (445, 92128), (712, 57580), (890, 46064), (1424, 28790), (1780, 23032), (2848, 14395), (2879, 14240), (3560, 11516), (5758, 7120)]