135599320

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{8539}}^1$

素因数の和:8947

約数の個数: 32

約数和(自身を含む): 305902800

約数和(自身を除く): 170303480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3970, 7940, 8539, 15880, 17078, 34156, 42695, 68312, 85390, 170780, 341560, 3389983, 6779966, 13559932, 16949915, 27119864, 33899830, 67799660, 135599320]

約数ペア:

[(1, 135599320), (2, 67799660), (4, 33899830), (5, 27119864), (8, 16949915), (10, 13559932), (20, 6779966), (40, 3389983), (397, 341560), (794, 170780), (1588, 85390), (1985, 68312), (3176, 42695), (3970, 34156), (7940, 17078), (8539, 15880)]