31766480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20899}}^1$

素因数の和:20931

約数の個数: 40

約数和(自身を含む): 77748000

約数和(自身を除く): 45981520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 20899, 41798, 83596, 104495, 167192, 208990, 334384, 397081, 417980, 794162, 835960, 1588324, 1671920, 1985405, 3176648, 3970810, 6353296, 7941620, 15883240, 31766480]

約数ペア:

[(1, 31766480), (2, 15883240), (4, 7941620), (5, 6353296), (8, 3970810), (10, 3176648), (16, 1985405), (19, 1671920), (20, 1588324), (38, 835960), (40, 794162), (76, 417980), (80, 397081), (95, 334384), (152, 208990), (190, 167192), (304, 104495), (380, 83596), (760, 41798), (1520, 20899)]