78061540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{4139}}^1$

素因数の和:4212

約数の個数: 48

約数和(自身を含む): 175271040

約数和(自身を除く): 97209500

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 115, 164, 205, 230, 410, 460, 820, 943, 1886, 3772, 4139, 4715, 8278, 9430, 16556, 18860, 20695, 41390, 82780, 95197, 169699, 190394, 339398, 380788, 475985, 678796, 848495, 951970, 1696990, 1903940, 3393980, 3903077, 7806154, 15612308, 19515385, 39030770, 78061540]

約数ペア:

[(1, 78061540), (2, 39030770), (4, 19515385), (5, 15612308), (10, 7806154), (20, 3903077), (23, 3393980), (41, 1903940), (46, 1696990), (82, 951970), (92, 848495), (115, 678796), (164, 475985), (205, 380788), (230, 339398), (410, 190394), (460, 169699), (820, 95197), (943, 82780), (1886, 41390), (3772, 20695), (4139, 18860), (4715, 16556), (8278, 9430)]