8629240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 20671200

約数和(自身を除く): 12041960

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 43, 58, 86, 116, 145, 172, 173, 215, 232, 290, 344, 346, 430, 580, 692, 860, 865, 1160, 1247, 1384, 1720, 1730, 2494, 3460, 4988, 5017, 6235, 6920, 7439, 9976, 10034, 12470, 14878, 20068, 24940, 25085, 29756, 37195, 40136, 49880, 50170, 59512, 74390, 100340, 148780, 200680, 215731, 297560, 431462, 862924, 1078655, 1725848, 2157310, 4314620, 8629240]

約数ペア:

[(1, 8629240), (2, 4314620), (4, 2157310), (5, 1725848), (8, 1078655), (10, 862924), (20, 431462), (29, 297560), (40, 215731), (43, 200680), (58, 148780), (86, 100340), (116, 74390), (145, 59512), (172, 50170), (173, 49880), (215, 40136), (232, 37195), (290, 29756), (344, 25085), (346, 24940), (430, 20068), (580, 14878), (692, 12470), (860, 10034), (865, 9976), (1160, 7439), (1247, 6920), (1384, 6235), (1720, 5017), (1730, 4988), (2494, 3460)]