388218670160

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1523}}^1\times {\mathrm{8191}}^1$

素因数の和:10116

約数の個数: 80

約数和(自身を含む): 905633464320

約数和(自身を除く): 517414794160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 778, 1523, 1556, 1945, 3046, 3112, 3890, 6092, 6224, 7615, 7780, 8191, 12184, 15230, 15560, 16382, 24368, 30460, 31120, 32764, 40955, 60920, 65528, 81910, 121840, 131056, 163820, 327640, 592447, 655280, 1184894, 2369788, 2962235, 3186299, 4739576, 5924470, 6372598, 9479152, 11848940, 12474893, 12745196, 15931495, 23697880, 24949786, 25490392, 31862990, 47395760, 49899572, 50980784, 62374465, 63725980, 99799144, 124748930, 127451960, 199598288, 249497860, 254903920, 498995720, 997991440, 4852733377, 9705466754, 19410933508, 24263666885, 38821867016, 48527333770, 77643734032, 97054667540, 194109335080, 388218670160]

約数ペア:

[(1, 388218670160), (2, 194109335080), (4, 97054667540), (5, 77643734032), (8, 48527333770), (10, 38821867016), (16, 24263666885), (20, 19410933508), (40, 9705466754), (80, 4852733377), (389, 997991440), (778, 498995720), (1523, 254903920), (1556, 249497860), (1945, 199598288), (3046, 127451960), (3112, 124748930), (3890, 99799144), (6092, 63725980), (6224, 62374465), (7615, 50980784), (7780, 49899572), (8191, 47395760), (12184, 31862990), (15230, 25490392), (15560, 24949786), (16382, 23697880), (24368, 15931495), (30460, 12745196), (31120, 12474893), (32764, 11848940), (40955, 9479152), (60920, 6372598), (65528, 5924470), (81910, 4739576), (121840, 3186299), (131056, 2962235), (163820, 2369788), (327640, 1184894), (592447, 655280)]