168995840

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2539}}^1$

素因数の和:2577

約数の個数: 88

約数和(自身を含む): 436747920

約数和(自身を除く): 267752080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 1024, 1040, 1280, 1664, 2080, 2539, 2560, 3328, 4160, 5078, 5120, 6656, 8320, 10156, 12695, 13312, 16640, 20312, 25390, 33007, 33280, 40624, 50780, 66014, 66560, 81248, 101560, 132028, 162496, 165035, 203120, 264056, 324992, 330070, 406240, 528112, 649984, 660140, 812480, 1056224, 1299968, 1320280, 1624960, 2112448, 2599936, 2640560, 3249920, 4224896, 5281120, 6499840, 8449792, 10562240, 12999680, 16899584, 21124480, 33799168, 42248960, 84497920, 168995840]

約数ペア:

[(1, 168995840), (2, 84497920), (4, 42248960), (5, 33799168), (8, 21124480), (10, 16899584), (13, 12999680), (16, 10562240), (20, 8449792), (26, 6499840), (32, 5281120), (40, 4224896), (52, 3249920), (64, 2640560), (65, 2599936), (80, 2112448), (104, 1624960), (128, 1320280), (130, 1299968), (160, 1056224), (208, 812480), (256, 660140), (260, 649984), (320, 528112), (416, 406240), (512, 330070), (520, 324992), (640, 264056), (832, 203120), (1024, 165035), (1040, 162496), (1280, 132028), (1664, 101560), (2080, 81248), (2539, 66560), (2560, 66014), (3328, 50780), (4160, 40624), (5078, 33280), (5120, 33007), (6656, 25390), (8320, 20312), (10156, 16640), (12695, 13312)]