27809920

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2287}}^1$

素因数の和:2325

約数の個数: 64

約数和(自身を含む): 70012800

約数和(自身を除く): 42202880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2287, 2432, 3040, 4574, 6080, 9148, 11435, 12160, 18296, 22870, 36592, 43453, 45740, 73184, 86906, 91480, 146368, 173812, 182960, 217265, 292736, 347624, 365920, 434530, 695248, 731840, 869060, 1390496, 1463680, 1738120, 2780992, 3476240, 5561984, 6952480, 13904960, 27809920]

約数ペア:

[(1, 27809920), (2, 13904960), (4, 6952480), (5, 5561984), (8, 3476240), (10, 2780992), (16, 1738120), (19, 1463680), (20, 1390496), (32, 869060), (38, 731840), (40, 695248), (64, 434530), (76, 365920), (80, 347624), (95, 292736), (128, 217265), (152, 182960), (160, 173812), (190, 146368), (304, 91480), (320, 86906), (380, 73184), (608, 45740), (640, 43453), (760, 36592), (1216, 22870), (1520, 18296), (2287, 12160), (2432, 11435), (3040, 9148), (4574, 6080)]