84187760

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{25667}}^1$

素因数の和:25721

約数の個数: 40

約数和(自身を含む): 200518416

約数和(自身を除く): 116330656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 25667, 51334, 102668, 128335, 205336, 256670, 410672, 513340, 1026680, 1052347, 2053360, 2104694, 4209388, 5261735, 8418776, 10523470, 16837552, 21046940, 42093880, 84187760]

約数ペア:

[(1, 84187760), (2, 42093880), (4, 21046940), (5, 16837552), (8, 10523470), (10, 8418776), (16, 5261735), (20, 4209388), (40, 2104694), (41, 2053360), (80, 1052347), (82, 1026680), (164, 513340), (205, 410672), (328, 256670), (410, 205336), (656, 128335), (820, 102668), (1640, 51334), (3280, 25667)]