166609840

素因数分解:

$2^4\times 5^1\times {\mathrm{557}}^1\times {\mathrm{3739}}^1$

素因数の和:4309

約数の個数: 40

約数和(自身を含む): 388167120

約数和(自身を除く): 221557280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 557, 1114, 2228, 2785, 3739, 4456, 5570, 7478, 8912, 11140, 14956, 18695, 22280, 29912, 37390, 44560, 59824, 74780, 149560, 299120, 2082623, 4165246, 8330492, 10413115, 16660984, 20826230, 33321968, 41652460, 83304920, 166609840]

約数ペア:

[(1, 166609840), (2, 83304920), (4, 41652460), (5, 33321968), (8, 20826230), (10, 16660984), (16, 10413115), (20, 8330492), (40, 4165246), (80, 2082623), (557, 299120), (1114, 149560), (2228, 74780), (2785, 59824), (3739, 44560), (4456, 37390), (5570, 29912), (7478, 22280), (8912, 18695), (11140, 14956)]