28511981680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3916481}}^1$

素因数の和:3916514

約数の個数: 80

約数和(自身を含む): 81588153024

約数和(自身を除く): 53076171344

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 3916481, 7832962, 15665924, 19582405, 27415367, 31331848, 39164810, 50914253, 54830734, 62663696, 78329620, 101828506, 109661468, 137076835, 156659240, 203657012, 219322936, 254571265, 274153670, 313318480, 356399771, 407314024, 438645872, 509142530, 548307340, 712799542, 814628048, 1018285060, 1096614680, 1425599084, 1781998855, 2036570120, 2193229360, 2851198168, 3563997710, 4073140240, 5702396336, 7127995420, 14255990840, 28511981680]

約数ペア:

[(1, 28511981680), (2, 14255990840), (4, 7127995420), (5, 5702396336), (7, 4073140240), (8, 3563997710), (10, 2851198168), (13, 2193229360), (14, 2036570120), (16, 1781998855), (20, 1425599084), (26, 1096614680), (28, 1018285060), (35, 814628048), (40, 712799542), (52, 548307340), (56, 509142530), (65, 438645872), (70, 407314024), (80, 356399771), (91, 313318480), (104, 274153670), (112, 254571265), (130, 219322936), (140, 203657012), (182, 156659240), (208, 137076835), (260, 109661468), (280, 101828506), (364, 78329620), (455, 62663696), (520, 54830734), (560, 50914253), (728, 39164810), (910, 31331848), (1040, 27415367), (1456, 19582405), (1820, 15665924), (3640, 7832962), (7280, 3916481)]