202180120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{219761}}^1$

素因数の和:219795

約数の個数: 32

約数和(自身を含む): 474685920

約数和(自身を除く): 272505800

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 219761, 439522, 879044, 1098805, 1758088, 2197610, 4395220, 5054503, 8790440, 10109006, 20218012, 25272515, 40436024, 50545030, 101090060, 202180120]

約数ペア:

[(1, 202180120), (2, 101090060), (4, 50545030), (5, 40436024), (8, 25272515), (10, 20218012), (20, 10109006), (23, 8790440), (40, 5054503), (46, 4395220), (92, 2197610), (115, 1758088), (184, 1098805), (230, 879044), (460, 439522), (920, 219761)]