66699440

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{15731}}^1$

素因数の和:15797

約数の個数: 40

約数和(自身を含む): 158012208

約数和(自身を除く): 91312768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 15731, 31462, 62924, 78655, 125848, 157310, 251696, 314620, 629240, 833743, 1258480, 1667486, 3334972, 4168715, 6669944, 8337430, 13339888, 16674860, 33349720, 66699440]

約数ペア:

[(1, 66699440), (2, 33349720), (4, 16674860), (5, 13339888), (8, 8337430), (10, 6669944), (16, 4168715), (20, 3334972), (40, 1667486), (53, 1258480), (80, 833743), (106, 629240), (212, 314620), (265, 251696), (424, 157310), (530, 125848), (848, 78655), (1060, 62924), (2120, 31462), (4240, 15731)]