26415760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1097}}^1$

素因数の和:1160

約数の個数: 80

約数和(自身を含む): 71888256

約数和(自身を除く): 45472496

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 112, 140, 172, 215, 280, 301, 344, 430, 560, 602, 688, 860, 1097, 1204, 1505, 1720, 2194, 2408, 3010, 3440, 4388, 4816, 5485, 6020, 7679, 8776, 10970, 12040, 15358, 17552, 21940, 24080, 30716, 38395, 43880, 47171, 61432, 76790, 87760, 94342, 122864, 153580, 188684, 235855, 307160, 330197, 377368, 471710, 614320, 660394, 754736, 943420, 1320788, 1650985, 1886840, 2641576, 3301970, 3773680, 5283152, 6603940, 13207880, 26415760]

約数ペア:

[(1, 26415760), (2, 13207880), (4, 6603940), (5, 5283152), (7, 3773680), (8, 3301970), (10, 2641576), (14, 1886840), (16, 1650985), (20, 1320788), (28, 943420), (35, 754736), (40, 660394), (43, 614320), (56, 471710), (70, 377368), (80, 330197), (86, 307160), (112, 235855), (140, 188684), (172, 153580), (215, 122864), (280, 94342), (301, 87760), (344, 76790), (430, 61432), (560, 47171), (602, 43880), (688, 38395), (860, 30716), (1097, 24080), (1204, 21940), (1505, 17552), (1720, 15358), (2194, 12040), (2408, 10970), (3010, 8776), (3440, 7679), (4388, 6020), (4816, 5485)]