84138970

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{1259}}^1$

素因数の和:1470

約数の個数: 32

約数和(自身を含む): 156219840

約数和(自身を除く): 72080870

約数列:

[1, 2, 5, 10, 41, 82, 163, 205, 326, 410, 815, 1259, 1630, 2518, 6295, 6683, 12590, 13366, 33415, 51619, 66830, 103238, 205217, 258095, 410434, 516190, 1026085, 2052170, 8413897, 16827794, 42069485, 84138970]

約数ペア:

[(1, 84138970), (2, 42069485), (5, 16827794), (10, 8413897), (41, 2052170), (82, 1026085), (163, 516190), (205, 410434), (326, 258095), (410, 205217), (815, 103238), (1259, 66830), (1630, 51619), (2518, 33415), (6295, 13366), (6683, 12590)]