12528880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1721}}^1$

素因数の和:1754

約数の個数: 80

約数和(自身を含む): 35872704

約数和(自身を除く): 23343824

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, 1721, 1820, 3442, 3640, 6884, 7280, 8605, 12047, 13768, 17210, 22373, 24094, 27536, 34420, 44746, 48188, 60235, 68840, 89492, 96376, 111865, 120470, 137680, 156611, 178984, 192752, 223730, 240940, 313222, 357968, 447460, 481880, 626444, 783055, 894920, 963760, 1252888, 1566110, 1789840, 2505776, 3132220, 6264440, 12528880]

約数ペア:

[(1, 12528880), (2, 6264440), (4, 3132220), (5, 2505776), (7, 1789840), (8, 1566110), (10, 1252888), (13, 963760), (14, 894920), (16, 783055), (20, 626444), (26, 481880), (28, 447460), (35, 357968), (40, 313222), (52, 240940), (56, 223730), (65, 192752), (70, 178984), (80, 156611), (91, 137680), (104, 120470), (112, 111865), (130, 96376), (140, 89492), (182, 68840), (208, 60235), (260, 48188), (280, 44746), (364, 34420), (455, 27536), (520, 24094), (560, 22373), (728, 17210), (910, 13768), (1040, 12047), (1456, 8605), (1721, 7280), (1820, 6884), (3442, 3640)]