28824640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^3\times {\mathrm{41}}^1$

素因数の和:97

約数の個数: 112

約数和(自身を含む): 76169520

約数和(自身を除く): 47344880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 64, 65, 80, 82, 104, 130, 160, 164, 169, 205, 208, 260, 320, 328, 338, 410, 416, 520, 533, 656, 676, 820, 832, 845, 1040, 1066, 1312, 1352, 1640, 1690, 2080, 2132, 2197, 2624, 2665, 2704, 3280, 3380, 4160, 4264, 4394, 5330, 5408, 6560, 6760, 6929, 8528, 8788, 10660, 10816, 10985, 13120, 13520, 13858, 17056, 17576, 21320, 21970, 27040, 27716, 34112, 34645, 35152, 42640, 43940, 54080, 55432, 69290, 70304, 85280, 87880, 90077, 110864, 138580, 140608, 170560, 175760, 180154, 221728, 277160, 351520, 360308, 443456, 450385, 554320, 703040, 720616, 900770, 1108640, 1441232, 1801540, 2217280, 2882464, 3603080, 5764928, 7206160, 14412320, 28824640]

約数ペア:

[(1, 28824640), (2, 14412320), (4, 7206160), (5, 5764928), (8, 3603080), (10, 2882464), (13, 2217280), (16, 1801540), (20, 1441232), (26, 1108640), (32, 900770), (40, 720616), (41, 703040), (52, 554320), (64, 450385), (65, 443456), (80, 360308), (82, 351520), (104, 277160), (130, 221728), (160, 180154), (164, 175760), (169, 170560), (205, 140608), (208, 138580), (260, 110864), (320, 90077), (328, 87880), (338, 85280), (410, 70304), (416, 69290), (520, 55432), (533, 54080), (656, 43940), (676, 42640), (820, 35152), (832, 34645), (845, 34112), (1040, 27716), (1066, 27040), (1312, 21970), (1352, 21320), (1640, 17576), (1690, 17056), (2080, 13858), (2132, 13520), (2197, 13120), (2624, 10985), (2665, 10816), (2704, 10660), (3280, 8788), (3380, 8528), (4160, 6929), (4264, 6760), (4394, 6560), (5330, 5408)]