16230440

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2039}}^1$

素因数の和:2249

約数の個数: 32

約数和(自身を含む): 36720000

約数和(自身を除く): 20489560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 2039, 3980, 4078, 7960, 8156, 10195, 16312, 20390, 40780, 81560, 405761, 811522, 1623044, 2028805, 3246088, 4057610, 8115220, 16230440]

約数ペア:

[(1, 16230440), (2, 8115220), (4, 4057610), (5, 3246088), (8, 2028805), (10, 1623044), (20, 811522), (40, 405761), (199, 81560), (398, 40780), (796, 20390), (995, 16312), (1592, 10195), (1990, 8156), (2039, 7960), (3980, 4078)]