13207880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1097}}^1$

素因数の和:1158

約数の個数: 64

約数和(自身を含む): 34784640

約数和(自身を除く): 21576760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1097, 1204, 1505, 1720, 2194, 2408, 3010, 4388, 5485, 6020, 7679, 8776, 10970, 12040, 15358, 21940, 30716, 38395, 43880, 47171, 61432, 76790, 94342, 153580, 188684, 235855, 307160, 330197, 377368, 471710, 660394, 943420, 1320788, 1650985, 1886840, 2641576, 3301970, 6603940, 13207880]

約数ペア:

[(1, 13207880), (2, 6603940), (4, 3301970), (5, 2641576), (7, 1886840), (8, 1650985), (10, 1320788), (14, 943420), (20, 660394), (28, 471710), (35, 377368), (40, 330197), (43, 307160), (56, 235855), (70, 188684), (86, 153580), (140, 94342), (172, 76790), (215, 61432), (280, 47171), (301, 43880), (344, 38395), (430, 30716), (602, 21940), (860, 15358), (1097, 12040), (1204, 10970), (1505, 8776), (1720, 7679), (2194, 6020), (2408, 5485), (3010, 4388)]