84497920

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2539}}^1$

素因数の和:2575

約数の個数: 80

約数和(自身を含む): 218267280

約数和(自身を除く): 133769360

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, 1040, 1280, 1664, 2080, 2539, 2560, 3328, 4160, 5078, 6656, 8320, 10156, 12695, 16640, 20312, 25390, 33007, 33280, 40624, 50780, 66014, 81248, 101560, 132028, 162496, 165035, 203120, 264056, 324992, 330070, 406240, 528112, 649984, 660140, 812480, 1056224, 1299968, 1320280, 1624960, 2112448, 2640560, 3249920, 4224896, 5281120, 6499840, 8449792, 10562240, 16899584, 21124480, 42248960, 84497920]

約数ペア:

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