1905920

素因数分解:

$2^8\times 5^1\times {\mathrm{1489}}^1$

素因数の和:1510

約数の個数: 36

約数和(自身を含む): 4568340

約数和(自身を除く): 2662420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 1489, 2978, 5956, 7445, 11912, 14890, 23824, 29780, 47648, 59560, 95296, 119120, 190592, 238240, 381184, 476480, 952960, 1905920]

約数ペア:

[(1, 1905920), (2, 952960), (4, 476480), (5, 381184), (8, 238240), (10, 190592), (16, 119120), (20, 95296), (32, 59560), (40, 47648), (64, 29780), (80, 23824), (128, 14890), (160, 11912), (256, 7445), (320, 5956), (640, 2978), (1280, 1489)]