68943680

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16573}}^1$

素因数の和:16603

約数の個数: 56

約数和(自身を含む): 176811432

約数和(自身を除く): 107867752

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, 16573, 33146, 66292, 82865, 132584, 165730, 215449, 265168, 331460, 430898, 530336, 662920, 861796, 1060672, 1077245, 1325840, 1723592, 2154490, 2651680, 3447184, 4308980, 5303360, 6894368, 8617960, 13788736, 17235920, 34471840, 68943680]

約数ペア:

[(1, 68943680), (2, 34471840), (4, 17235920), (5, 13788736), (8, 8617960), (10, 6894368), (13, 5303360), (16, 4308980), (20, 3447184), (26, 2651680), (32, 2154490), (40, 1723592), (52, 1325840), (64, 1077245), (65, 1060672), (80, 861796), (104, 662920), (130, 530336), (160, 430898), (208, 331460), (260, 265168), (320, 215449), (416, 165730), (520, 132584), (832, 82865), (1040, 66292), (2080, 33146), (4160, 16573)]