18236800

素因数分解:

$2^7\times 5^2\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:204

約数の個数: 96

約数和(自身を含む): 46481400

約数和(自身を除く): 28244600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 64, 80, 82, 100, 128, 139, 160, 164, 200, 205, 278, 320, 328, 400, 410, 556, 640, 656, 695, 800, 820, 1025, 1112, 1312, 1390, 1600, 1640, 2050, 2224, 2624, 2780, 3200, 3280, 3475, 4100, 4448, 5248, 5560, 5699, 6560, 6950, 8200, 8896, 11120, 11398, 13120, 13900, 16400, 17792, 22240, 22796, 26240, 27800, 28495, 32800, 44480, 45592, 55600, 56990, 65600, 88960, 91184, 111200, 113980, 131200, 142475, 182368, 222400, 227960, 284950, 364736, 444800, 455920, 569900, 729472, 911840, 1139800, 1823680, 2279600, 3647360, 4559200, 9118400, 18236800]

約数ペア:

[(1, 18236800), (2, 9118400), (4, 4559200), (5, 3647360), (8, 2279600), (10, 1823680), (16, 1139800), (20, 911840), (25, 729472), (32, 569900), (40, 455920), (41, 444800), (50, 364736), (64, 284950), (80, 227960), (82, 222400), (100, 182368), (128, 142475), (139, 131200), (160, 113980), (164, 111200), (200, 91184), (205, 88960), (278, 65600), (320, 56990), (328, 55600), (400, 45592), (410, 44480), (556, 32800), (640, 28495), (656, 27800), (695, 26240), (800, 22796), (820, 22240), (1025, 17792), (1112, 16400), (1312, 13900), (1390, 13120), (1600, 11398), (1640, 11120), (2050, 8896), (2224, 8200), (2624, 6950), (2780, 6560), (3200, 5699), (3280, 5560), (3475, 5248), (4100, 4448)]