80081984

素因数分解:

$2^6\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:475

約数の個数: 56

約数和(自身を含む): 164835840

約数和(自身を除く): 84753856

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 79, 94, 158, 188, 316, 337, 376, 632, 674, 752, 1264, 1348, 1504, 2528, 2696, 3008, 3713, 5056, 5392, 7426, 10784, 14852, 15839, 21568, 26623, 29704, 31678, 53246, 59408, 63356, 106492, 118816, 126712, 212984, 237632, 253424, 425968, 506848, 851936, 1013696, 1251281, 1703872, 2502562, 5005124, 10010248, 20020496, 40040992, 80081984]

約数ペア:

[(1, 80081984), (2, 40040992), (4, 20020496), (8, 10010248), (16, 5005124), (32, 2502562), (47, 1703872), (64, 1251281), (79, 1013696), (94, 851936), (158, 506848), (188, 425968), (316, 253424), (337, 237632), (376, 212984), (632, 126712), (674, 118816), (752, 106492), (1264, 63356), (1348, 59408), (1504, 53246), (2528, 31678), (2696, 29704), (3008, 26623), (3713, 21568), (5056, 15839), (5392, 14852), (7426, 10784)]