85585160

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{3307}}^1$

素因数の和:3965

約数の個数: 32

約数和(自身を含む): 192922560

約数和(自身を除く): 107337400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1294, 2588, 3235, 3307, 5176, 6470, 6614, 12940, 13228, 16535, 25880, 26456, 33070, 66140, 132280, 2139629, 4279258, 8558516, 10698145, 17117032, 21396290, 42792580, 85585160]

約数ペア:

[(1, 85585160), (2, 42792580), (4, 21396290), (5, 17117032), (8, 10698145), (10, 8558516), (20, 4279258), (40, 2139629), (647, 132280), (1294, 66140), (2588, 33070), (3235, 26456), (3307, 25880), (5176, 16535), (6470, 13228), (6614, 12940)]