12519880

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 29937600

約数和(自身を除く): 17417720

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 43, 58, 86, 116, 145, 172, 215, 232, 251, 290, 344, 430, 502, 580, 860, 1004, 1160, 1247, 1255, 1720, 2008, 2494, 2510, 4988, 5020, 6235, 7279, 9976, 10040, 10793, 12470, 14558, 21586, 24940, 29116, 36395, 43172, 49880, 53965, 58232, 72790, 86344, 107930, 145580, 215860, 291160, 312997, 431720, 625994, 1251988, 1564985, 2503976, 3129970, 6259940, 12519880]

約数ペア:

[(1, 12519880), (2, 6259940), (4, 3129970), (5, 2503976), (8, 1564985), (10, 1251988), (20, 625994), (29, 431720), (40, 312997), (43, 291160), (58, 215860), (86, 145580), (116, 107930), (145, 86344), (172, 72790), (215, 58232), (232, 53965), (251, 49880), (290, 43172), (344, 36395), (430, 29116), (502, 24940), (580, 21586), (860, 14558), (1004, 12470), (1160, 10793), (1247, 10040), (1255, 9976), (1720, 7279), (2008, 6235), (2494, 5020), (2510, 4988)]