9909680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11261}}^1$

素因数の和:11285

約数の個数: 40

約数和(自身を含む): 25136784

約数和(自身を除く): 15227104

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 11261, 22522, 45044, 56305, 90088, 112610, 123871, 180176, 225220, 247742, 450440, 495484, 619355, 900880, 990968, 1238710, 1981936, 2477420, 4954840, 9909680]

約数ペア:

[(1, 9909680), (2, 4954840), (4, 2477420), (5, 1981936), (8, 1238710), (10, 990968), (11, 900880), (16, 619355), (20, 495484), (22, 450440), (40, 247742), (44, 225220), (55, 180176), (80, 123871), (88, 112610), (110, 90088), (176, 56305), (220, 45044), (440, 22522), (880, 11261)]