81772760

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{16097}}^1$

素因数の和:16235

約数の個数: 32

約数和(自身を含む): 185448960

約数和(自身を除く): 103676200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 16097, 32194, 64388, 80485, 128776, 160970, 321940, 643880, 2044319, 4088638, 8177276, 10221595, 16354552, 20443190, 40886380, 81772760]

約数ペア:

[(1, 81772760), (2, 40886380), (4, 20443190), (5, 16354552), (8, 10221595), (10, 8177276), (20, 4088638), (40, 2044319), (127, 643880), (254, 321940), (508, 160970), (635, 128776), (1016, 80485), (1270, 64388), (2540, 32194), (5080, 16097)]