128956480

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9829}}^1$

素因数の和:9887

約数の個数: 56

約数和(自身を含む): 314599320

約数和(自身を除く): 185642840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 656, 820, 1312, 1640, 2624, 3280, 6560, 9829, 13120, 19658, 39316, 49145, 78632, 98290, 157264, 196580, 314528, 393160, 402989, 629056, 786320, 805978, 1572640, 1611956, 2014945, 3145280, 3223912, 4029890, 6447824, 8059780, 12895648, 16119560, 25791296, 32239120, 64478240, 128956480]

約数ペア:

[(1, 128956480), (2, 64478240), (4, 32239120), (5, 25791296), (8, 16119560), (10, 12895648), (16, 8059780), (20, 6447824), (32, 4029890), (40, 3223912), (41, 3145280), (64, 2014945), (80, 1611956), (82, 1572640), (160, 805978), (164, 786320), (205, 629056), (320, 402989), (328, 393160), (410, 314528), (656, 196580), (820, 157264), (1312, 98290), (1640, 78632), (2624, 49145), (3280, 39316), (6560, 19658), (9829, 13120)]