84818240

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20389}}^1$

素因数の和:20419

約数の個数: 56

約数和(自身を含む): 217520520

約数和(自身を除く): 132702280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 20389, 40778, 81556, 101945, 163112, 203890, 265057, 326224, 407780, 530114, 652448, 815560, 1060228, 1304896, 1325285, 1631120, 2120456, 2650570, 3262240, 4240912, 5301140, 6524480, 8481824, 10602280, 16963648, 21204560, 42409120, 84818240]

約数ペア:

[(1, 84818240), (2, 42409120), (4, 21204560), (5, 16963648), (8, 10602280), (10, 8481824), (13, 6524480), (16, 5301140), (20, 4240912), (26, 3262240), (32, 2650570), (40, 2120456), (52, 1631120), (64, 1325285), (65, 1304896), (80, 1060228), (104, 815560), (130, 652448), (160, 530114), (208, 407780), (260, 326224), (320, 265057), (416, 203890), (520, 163112), (832, 101945), (1040, 81556), (2080, 40778), (4160, 20389)]