28120032

素因数分解:

$2^5\times 3^2\times {\mathrm{251}}^1\times {\mathrm{389}}^1$

素因数の和:656

約数の個数: 72

約数和(自身を含む): 80491320

約数和(自身を除く): 52371288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 251, 288, 389, 502, 753, 778, 1004, 1167, 1506, 1556, 2008, 2259, 2334, 3012, 3112, 3501, 4016, 4518, 4668, 6024, 6224, 7002, 8032, 9036, 9336, 12048, 12448, 14004, 18072, 18672, 24096, 28008, 36144, 37344, 56016, 72288, 97639, 112032, 195278, 292917, 390556, 585834, 781112, 878751, 1171668, 1562224, 1757502, 2343336, 3124448, 3515004, 4686672, 7030008, 9373344, 14060016, 28120032]

約数ペア:

[(1, 28120032), (2, 14060016), (3, 9373344), (4, 7030008), (6, 4686672), (8, 3515004), (9, 3124448), (12, 2343336), (16, 1757502), (18, 1562224), (24, 1171668), (32, 878751), (36, 781112), (48, 585834), (72, 390556), (96, 292917), (144, 195278), (251, 112032), (288, 97639), (389, 72288), (502, 56016), (753, 37344), (778, 36144), (1004, 28008), (1167, 24096), (1506, 18672), (1556, 18072), (2008, 14004), (2259, 12448), (2334, 12048), (3012, 9336), (3112, 9036), (3501, 8032), (4016, 7002), (4518, 6224), (4668, 6024)]