42842480

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{7993}}^1$

素因数の和:8073

約数の個数: 40

約数和(自身を含む): 101108112

約数和(自身を除く): 58265632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 7993, 15986, 31972, 39965, 63944, 79930, 127888, 159860, 319720, 535531, 639440, 1071062, 2142124, 2677655, 4284248, 5355310, 8568496, 10710620, 21421240, 42842480]

約数ペア:

[(1, 42842480), (2, 21421240), (4, 10710620), (5, 8568496), (8, 5355310), (10, 4284248), (16, 2677655), (20, 2142124), (40, 1071062), (67, 639440), (80, 535531), (134, 319720), (268, 159860), (335, 127888), (536, 79930), (670, 63944), (1072, 39965), (1340, 31972), (2680, 15986), (5360, 7993)]