9920680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3221}}^1$

素因数の和:3250

約数の個数: 64

約数和(自身を含む): 27838080

約数和(自身を除く): 17917400

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 3221, 6442, 12884, 16105, 22547, 25768, 32210, 35431, 45094, 64420, 70862, 90188, 112735, 128840, 141724, 177155, 180376, 225470, 248017, 283448, 354310, 450940, 496034, 708620, 901880, 992068, 1240085, 1417240, 1984136, 2480170, 4960340, 9920680]

約数ペア:

[(1, 9920680), (2, 4960340), (4, 2480170), (5, 1984136), (7, 1417240), (8, 1240085), (10, 992068), (11, 901880), (14, 708620), (20, 496034), (22, 450940), (28, 354310), (35, 283448), (40, 248017), (44, 225470), (55, 180376), (56, 177155), (70, 141724), (77, 128840), (88, 112735), (110, 90188), (140, 70862), (154, 64420), (220, 45094), (280, 35431), (308, 32210), (385, 25768), (440, 22547), (616, 16105), (770, 12884), (1540, 6442), (3080, 3221)]