31354880

素因数分解:

$2^{12}\times 5^1\times {\mathrm{1531}}^1$

素因数の和:1560

約数の個数: 52

約数和(自身を含む): 75291672

約数和(自身を除く): 43936792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 1531, 2048, 2560, 3062, 4096, 5120, 6124, 7655, 10240, 12248, 15310, 20480, 24496, 30620, 48992, 61240, 97984, 122480, 195968, 244960, 391936, 489920, 783872, 979840, 1567744, 1959680, 3135488, 3919360, 6270976, 7838720, 15677440, 31354880]

約数ペア:

[(1, 31354880), (2, 15677440), (4, 7838720), (5, 6270976), (8, 3919360), (10, 3135488), (16, 1959680), (20, 1567744), (32, 979840), (40, 783872), (64, 489920), (80, 391936), (128, 244960), (160, 195968), (256, 122480), (320, 97984), (512, 61240), (640, 48992), (1024, 30620), (1280, 24496), (1531, 20480), (2048, 15310), (2560, 12248), (3062, 10240), (4096, 7655), (5120, 6124)]