86564120

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{52783}}^1$

素因数の和:52835

約数の個数: 32

約数和(自身を含む): 199523520

約数和(自身を除く): 112959400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 52783, 105566, 211132, 263915, 422264, 527830, 1055660, 2111320, 2164103, 4328206, 8656412, 10820515, 17312824, 21641030, 43282060, 86564120]

約数ペア:

[(1, 86564120), (2, 43282060), (4, 21641030), (5, 17312824), (8, 10820515), (10, 8656412), (20, 4328206), (40, 2164103), (41, 2111320), (82, 1055660), (164, 527830), (205, 422264), (328, 263915), (410, 211132), (820, 105566), (1640, 52783)]