1623920

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{383}}^1$

素因数の和:449

約数の個数: 40

約数和(自身を含む): 3856896

約数和(自身を除く): 2232976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 383, 424, 530, 766, 848, 1060, 1532, 1915, 2120, 3064, 3830, 4240, 6128, 7660, 15320, 20299, 30640, 40598, 81196, 101495, 162392, 202990, 324784, 405980, 811960, 1623920]

約数ペア:

[(1, 1623920), (2, 811960), (4, 405980), (5, 324784), (8, 202990), (10, 162392), (16, 101495), (20, 81196), (40, 40598), (53, 30640), (80, 20299), (106, 15320), (212, 7660), (265, 6128), (383, 4240), (424, 3830), (530, 3064), (766, 2120), (848, 1915), (1060, 1532)]