205881680

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{823}}^1$

素因数の和:948

約数の個数: 80

約数和(自身を含む): 496575360

約数和(自身を除く): 290693680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 59, 80, 106, 118, 212, 236, 265, 295, 424, 472, 530, 590, 823, 848, 944, 1060, 1180, 1646, 2120, 2360, 3127, 3292, 4115, 4240, 4720, 6254, 6584, 8230, 12508, 13168, 15635, 16460, 25016, 31270, 32920, 43619, 48557, 50032, 62540, 65840, 87238, 97114, 125080, 174476, 194228, 218095, 242785, 250160, 348952, 388456, 436190, 485570, 697904, 776912, 872380, 971140, 1744760, 1942280, 2573521, 3489520, 3884560, 5147042, 10294084, 12867605, 20588168, 25735210, 41176336, 51470420, 102940840, 205881680]

約数ペア:

[(1, 205881680), (2, 102940840), (4, 51470420), (5, 41176336), (8, 25735210), (10, 20588168), (16, 12867605), (20, 10294084), (40, 5147042), (53, 3884560), (59, 3489520), (80, 2573521), (106, 1942280), (118, 1744760), (212, 971140), (236, 872380), (265, 776912), (295, 697904), (424, 485570), (472, 436190), (530, 388456), (590, 348952), (823, 250160), (848, 242785), (944, 218095), (1060, 194228), (1180, 174476), (1646, 125080), (2120, 97114), (2360, 87238), (3127, 65840), (3292, 62540), (4115, 50032), (4240, 48557), (4720, 43619), (6254, 32920), (6584, 31270), (8230, 25016), (12508, 16460), (13168, 15635)]