28410100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{6607}}^1$

素因数の和:6664

約数の個数: 36

約数和(自身を含む): 63093184

約数和(自身を除く): 34683084

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 4300, 6607, 13214, 26428, 33035, 66070, 132140, 165175, 284101, 330350, 568202, 660700, 1136404, 1420505, 2841010, 5682020, 7102525, 14205050, 28410100]

約数ペア:

[(1, 28410100), (2, 14205050), (4, 7102525), (5, 5682020), (10, 2841010), (20, 1420505), (25, 1136404), (43, 660700), (50, 568202), (86, 330350), (100, 284101), (172, 165175), (215, 132140), (430, 66070), (860, 33035), (1075, 26428), (2150, 13214), (4300, 6607)]