18056560

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:266

約数の個数: 80

約数和(自身を含む): 44684640

約数和(自身を除く): 26628080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 43, 58, 80, 86, 116, 145, 172, 181, 215, 232, 290, 344, 362, 430, 464, 580, 688, 724, 860, 905, 1160, 1247, 1448, 1720, 1810, 2320, 2494, 2896, 3440, 3620, 4988, 5249, 6235, 7240, 7783, 9976, 10498, 12470, 14480, 15566, 19952, 20996, 24940, 26245, 31132, 38915, 41992, 49880, 52490, 62264, 77830, 83984, 99760, 104980, 124528, 155660, 209960, 225707, 311320, 419920, 451414, 622640, 902828, 1128535, 1805656, 2257070, 3611312, 4514140, 9028280, 18056560]

約数ペア:

[(1, 18056560), (2, 9028280), (4, 4514140), (5, 3611312), (8, 2257070), (10, 1805656), (16, 1128535), (20, 902828), (29, 622640), (40, 451414), (43, 419920), (58, 311320), (80, 225707), (86, 209960), (116, 155660), (145, 124528), (172, 104980), (181, 99760), (215, 83984), (232, 77830), (290, 62264), (344, 52490), (362, 49880), (430, 41992), (464, 38915), (580, 31132), (688, 26245), (724, 24940), (860, 20996), (905, 19952), (1160, 15566), (1247, 14480), (1448, 12470), (1720, 10498), (1810, 9976), (2320, 7783), (2494, 7240), (2896, 6235), (3440, 5249), (3620, 4988)]