989069120

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{18289}}^1$

素因数の和:18332

約数の個数: 84

約数和(自身を含む): 2550467340

約数和(自身を除く): 1561398220

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 169, 208, 260, 320, 338, 416, 520, 676, 832, 845, 1040, 1352, 1690, 2080, 2704, 3380, 4160, 5408, 6760, 10816, 13520, 18289, 27040, 36578, 54080, 73156, 91445, 146312, 182890, 237757, 292624, 365780, 475514, 585248, 731560, 951028, 1170496, 1188785, 1463120, 1902056, 2377570, 2926240, 3090841, 3804112, 4755140, 5852480, 6181682, 7608224, 9510280, 12363364, 15216448, 15454205, 19020560, 24726728, 30908410, 38041120, 49453456, 61816820, 76082240, 98906912, 123633640, 197813824, 247267280, 494534560, 989069120]

約数ペア:

[(1, 989069120), (2, 494534560), (4, 247267280), (5, 197813824), (8, 123633640), (10, 98906912), (13, 76082240), (16, 61816820), (20, 49453456), (26, 38041120), (32, 30908410), (40, 24726728), (52, 19020560), (64, 15454205), (65, 15216448), (80, 12363364), (104, 9510280), (130, 7608224), (160, 6181682), (169, 5852480), (208, 4755140), (260, 3804112), (320, 3090841), (338, 2926240), (416, 2377570), (520, 1902056), (676, 1463120), (832, 1188785), (845, 1170496), (1040, 951028), (1352, 731560), (1690, 585248), (2080, 475514), (2704, 365780), (3380, 292624), (4160, 237757), (5408, 182890), (6760, 146312), (10816, 91445), (13520, 73156), (18289, 54080), (27040, 36578)]