11183920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:274

約数の個数: 80

約数和(自身を含む): 28926720

約数和(自身を除く): 17742800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 71, 80, 88, 110, 142, 176, 179, 220, 284, 355, 358, 440, 568, 710, 716, 781, 880, 895, 1136, 1420, 1432, 1562, 1790, 1969, 2840, 2864, 3124, 3580, 3905, 3938, 5680, 6248, 7160, 7810, 7876, 9845, 12496, 12709, 14320, 15620, 15752, 19690, 25418, 31240, 31504, 39380, 50836, 62480, 63545, 78760, 101672, 127090, 139799, 157520, 203344, 254180, 279598, 508360, 559196, 698995, 1016720, 1118392, 1397990, 2236784, 2795980, 5591960, 11183920]

約数ペア:

[(1, 11183920), (2, 5591960), (4, 2795980), (5, 2236784), (8, 1397990), (10, 1118392), (11, 1016720), (16, 698995), (20, 559196), (22, 508360), (40, 279598), (44, 254180), (55, 203344), (71, 157520), (80, 139799), (88, 127090), (110, 101672), (142, 78760), (176, 63545), (179, 62480), (220, 50836), (284, 39380), (355, 31504), (358, 31240), (440, 25418), (568, 19690), (710, 15752), (716, 15620), (781, 14320), (880, 12709), (895, 12496), (1136, 9845), (1420, 7876), (1432, 7810), (1562, 7160), (1790, 6248), (1969, 5680), (2840, 3938), (2864, 3905), (3124, 3580)]