28099040

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2879}}^1$

素因数の和:2955

約数の個数: 48

約数和(自身を含む): 67495680

約数和(自身を除く): 39396640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1952, 2440, 2879, 4880, 5758, 9760, 11516, 14395, 23032, 28790, 46064, 57580, 92128, 115160, 175619, 230320, 351238, 460640, 702476, 878095, 1404952, 1756190, 2809904, 3512380, 5619808, 7024760, 14049520, 28099040]

約数ペア:

[(1, 28099040), (2, 14049520), (4, 7024760), (5, 5619808), (8, 3512380), (10, 2809904), (16, 1756190), (20, 1404952), (32, 878095), (40, 702476), (61, 460640), (80, 351238), (122, 230320), (160, 175619), (244, 115160), (305, 92128), (488, 57580), (610, 46064), (976, 28790), (1220, 23032), (1952, 14395), (2440, 11516), (2879, 9760), (4880, 5758)]