9648102640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{254971}}^1$

素因数の和:255038

約数の個数: 80

約数和(自身を含む): 25040290176

約数和(自身を除く): 15392187536

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 215, 220, 344, 430, 440, 473, 688, 860, 880, 946, 1720, 1892, 2365, 3440, 3784, 4730, 7568, 9460, 18920, 37840, 254971, 509942, 1019884, 1274855, 2039768, 2549710, 2804681, 4079536, 5099420, 5609362, 10198840, 10963753, 11218724, 14023405, 20397680, 21927506, 22437448, 28046810, 43855012, 44874896, 54818765, 56093620, 87710024, 109637530, 112187240, 120601283, 175420048, 219275060, 224374480, 241202566, 438550120, 482405132, 603006415, 877100240, 964810264, 1206012830, 1929620528, 2412025660, 4824051320, 9648102640]

約数ペア:

[(1, 9648102640), (2, 4824051320), (4, 2412025660), (5, 1929620528), (8, 1206012830), (10, 964810264), (11, 877100240), (16, 603006415), (20, 482405132), (22, 438550120), (40, 241202566), (43, 224374480), (44, 219275060), (55, 175420048), (80, 120601283), (86, 112187240), (88, 109637530), (110, 87710024), (172, 56093620), (176, 54818765), (215, 44874896), (220, 43855012), (344, 28046810), (430, 22437448), (440, 21927506), (473, 20397680), (688, 14023405), (860, 11218724), (880, 10963753), (946, 10198840), (1720, 5609362), (1892, 5099420), (2365, 4079536), (3440, 2804681), (3784, 2549710), (4730, 2039768), (7568, 1274855), (9460, 1019884), (18920, 509942), (37840, 254971)]