72310540

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{20899}}^1$

素因数の和:21081

約数の個数: 24

約数和(自身を含む): 152737200

約数和(自身を除く): 80426660

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 20899, 41798, 83596, 104495, 208990, 417980, 3615527, 7231054, 14462108, 18077635, 36155270, 72310540]

約数ペア:

[(1, 72310540), (2, 36155270), (4, 18077635), (5, 14462108), (10, 7231054), (20, 3615527), (173, 417980), (346, 208990), (692, 104495), (865, 83596), (1730, 41798), (3460, 20899)]