15883240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20899}}^1$

素因数の和:20929

約数の個数: 32

約数和(自身を含む): 37620000

約数和(自身を除く): 21736760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 20899, 41798, 83596, 104495, 167192, 208990, 397081, 417980, 794162, 835960, 1588324, 1985405, 3176648, 3970810, 7941620, 15883240]

約数ペア:

[(1, 15883240), (2, 7941620), (4, 3970810), (5, 3176648), (8, 1985405), (10, 1588324), (19, 835960), (20, 794162), (38, 417980), (40, 397081), (76, 208990), (95, 167192), (152, 104495), (190, 83596), (380, 41798), (760, 20899)]