7853291240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{827}}^1\times {\mathrm{5521}}^1$

素因数の和:6402

約数の個数: 64

約数和(自身を含む): 18105975360

約数和(自身を除く): 10252684120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 827, 860, 1654, 1720, 3308, 4135, 5521, 6616, 8270, 11042, 16540, 22084, 27605, 33080, 35561, 44168, 55210, 71122, 110420, 142244, 177805, 220840, 237403, 284488, 355610, 474806, 711220, 949612, 1187015, 1422440, 1899224, 2374030, 4565867, 4748060, 9131734, 9496120, 18263468, 22829335, 36526936, 45658670, 91317340, 182634680, 196332281, 392664562, 785329124, 981661405, 1570658248, 1963322810, 3926645620, 7853291240]

約数ペア:

[(1, 7853291240), (2, 3926645620), (4, 1963322810), (5, 1570658248), (8, 981661405), (10, 785329124), (20, 392664562), (40, 196332281), (43, 182634680), (86, 91317340), (172, 45658670), (215, 36526936), (344, 22829335), (430, 18263468), (827, 9496120), (860, 9131734), (1654, 4748060), (1720, 4565867), (3308, 2374030), (4135, 1899224), (5521, 1422440), (6616, 1187015), (8270, 949612), (11042, 711220), (16540, 474806), (22084, 355610), (27605, 284488), (33080, 237403), (35561, 220840), (44168, 177805), (55210, 142244), (71122, 110420)]