26861240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:181

約数の個数: 128

約数和(自身を含む): 74511360

約数和(自身を除く): 47650120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 43, 46, 56, 70, 86, 92, 97, 115, 140, 161, 172, 184, 194, 215, 230, 280, 301, 322, 344, 388, 430, 460, 485, 602, 644, 679, 776, 805, 860, 920, 970, 989, 1204, 1288, 1358, 1505, 1610, 1720, 1940, 1978, 2231, 2408, 2716, 3010, 3220, 3395, 3880, 3956, 4171, 4462, 4945, 5432, 6020, 6440, 6790, 6923, 7912, 8342, 8924, 9890, 11155, 12040, 13580, 13846, 15617, 16684, 17848, 19780, 20855, 22310, 27160, 27692, 29197, 31234, 33368, 34615, 39560, 41710, 44620, 55384, 58394, 62468, 69230, 78085, 83420, 89240, 95933, 116788, 124936, 138460, 145985, 156170, 166840, 191866, 233576, 276920, 291970, 312340, 383732, 479665, 583940, 624680, 671531, 767464, 959330, 1167880, 1343062, 1918660, 2686124, 3357655, 3837320, 5372248, 6715310, 13430620, 26861240]

約数ペア:

[(1, 26861240), (2, 13430620), (4, 6715310), (5, 5372248), (7, 3837320), (8, 3357655), (10, 2686124), (14, 1918660), (20, 1343062), (23, 1167880), (28, 959330), (35, 767464), (40, 671531), (43, 624680), (46, 583940), (56, 479665), (70, 383732), (86, 312340), (92, 291970), (97, 276920), (115, 233576), (140, 191866), (161, 166840), (172, 156170), (184, 145985), (194, 138460), (215, 124936), (230, 116788), (280, 95933), (301, 89240), (322, 83420), (344, 78085), (388, 69230), (430, 62468), (460, 58394), (485, 55384), (602, 44620), (644, 41710), (679, 39560), (776, 34615), (805, 33368), (860, 31234), (920, 29197), (970, 27692), (989, 27160), (1204, 22310), (1288, 20855), (1358, 19780), (1505, 17848), (1610, 16684), (1720, 15617), (1940, 13846), (1978, 13580), (2231, 12040), (2408, 11155), (2716, 9890), (3010, 8924), (3220, 8342), (3395, 7912), (3880, 6923), (3956, 6790), (4171, 6440), (4462, 6020), (4945, 5432)]