202120760

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{19213}}^1$

素因数の和:19487

約数の個数: 32

約数和(自身を含む): 456524640

約数和(自身を除く): 254403880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 10520, 19213, 38426, 76852, 96065, 153704, 192130, 384260, 768520, 5053019, 10106038, 20212076, 25265095, 40424152, 50530190, 101060380, 202120760]

約数ペア:

[(1, 202120760), (2, 101060380), (4, 50530190), (5, 40424152), (8, 25265095), (10, 20212076), (20, 10106038), (40, 5053019), (263, 768520), (526, 384260), (1052, 192130), (1315, 153704), (2104, 96065), (2630, 76852), (5260, 38426), (10520, 19213)]