164002280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{315389}}^1$

素因数の和:315413

約数の個数: 32

約数和(自身を含む): 397391400

約数和(自身を除く): 233389120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 315389, 630778, 1261556, 1576945, 2523112, 3153890, 4100057, 6307780, 8200114, 12615560, 16400228, 20500285, 32800456, 41000570, 82001140, 164002280]

約数ペア:

[(1, 164002280), (2, 82001140), (4, 41000570), (5, 32800456), (8, 20500285), (10, 16400228), (13, 12615560), (20, 8200114), (26, 6307780), (40, 4100057), (52, 3153890), (65, 2523112), (104, 1576945), (130, 1261556), (260, 630778), (520, 315389)]