31241920

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5743}}^1$

素因数の和:5777

約数の個数: 56

約数和(自身を含む): 78784704

約数和(自身を除く): 47542784

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 5743, 11486, 22972, 28715, 45944, 57430, 91888, 97631, 114860, 183776, 195262, 229720, 367552, 390524, 459440, 488155, 781048, 918880, 976310, 1562096, 1837760, 1952620, 3124192, 3905240, 6248384, 7810480, 15620960, 31241920]

約数ペア:

[(1, 31241920), (2, 15620960), (4, 7810480), (5, 6248384), (8, 3905240), (10, 3124192), (16, 1952620), (17, 1837760), (20, 1562096), (32, 976310), (34, 918880), (40, 781048), (64, 488155), (68, 459440), (80, 390524), (85, 367552), (136, 229720), (160, 195262), (170, 183776), (272, 114860), (320, 97631), (340, 91888), (544, 57430), (680, 45944), (1088, 28715), (1360, 22972), (2720, 11486), (5440, 5743)]