3811840

素因数分解:

$2^9\times 5^1\times {\mathrm{1489}}^1$

素因数の和:1512

約数の個数: 40

約数和(自身を含む): 9145620

約数和(自身を除く): 5333780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 1489, 2560, 2978, 5956, 7445, 11912, 14890, 23824, 29780, 47648, 59560, 95296, 119120, 190592, 238240, 381184, 476480, 762368, 952960, 1905920, 3811840]

約数ペア:

[(1, 3811840), (2, 1905920), (4, 952960), (5, 762368), (8, 476480), (10, 381184), (16, 238240), (20, 190592), (32, 119120), (40, 95296), (64, 59560), (80, 47648), (128, 29780), (160, 23824), (256, 14890), (320, 11912), (512, 7445), (640, 5956), (1280, 2978), (1489, 2560)]