8554640

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1753}}^1$

素因数の和:1827

約数の個数: 40

約数和(自身を含む): 20227128

約数和(自身を除く): 11672488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 1753, 2440, 3506, 4880, 7012, 8765, 14024, 17530, 28048, 35060, 70120, 106933, 140240, 213866, 427732, 534665, 855464, 1069330, 1710928, 2138660, 4277320, 8554640]

約数ペア:

[(1, 8554640), (2, 4277320), (4, 2138660), (5, 1710928), (8, 1069330), (10, 855464), (16, 534665), (20, 427732), (40, 213866), (61, 140240), (80, 106933), (122, 70120), (244, 35060), (305, 28048), (488, 17530), (610, 14024), (976, 8765), (1220, 7012), (1753, 4880), (2440, 3506)]