164103680

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4931}}^1$

素因数の和:4967

約数の個数: 80

約数和(自身を含む): 423816624

約数和(自身を除く): 259712944

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, 2560, 3328, 4160, 4931, 6656, 8320, 9862, 16640, 19724, 24655, 33280, 39448, 49310, 64103, 78896, 98620, 128206, 157792, 197240, 256412, 315584, 320515, 394480, 512824, 631168, 641030, 788960, 1025648, 1262336, 1282060, 1577920, 2051296, 2524672, 2564120, 3155840, 4102592, 5128240, 6311680, 8205184, 10256480, 12623360, 16410368, 20512960, 32820736, 41025920, 82051840, 164103680]

約数ペア:

[(1, 164103680), (2, 82051840), (4, 41025920), (5, 32820736), (8, 20512960), (10, 16410368), (13, 12623360), (16, 10256480), (20, 8205184), (26, 6311680), (32, 5128240), (40, 4102592), (52, 3155840), (64, 2564120), (65, 2524672), (80, 2051296), (104, 1577920), (128, 1282060), (130, 1262336), (160, 1025648), (208, 788960), (256, 641030), (260, 631168), (320, 512824), (416, 394480), (512, 320515), (520, 315584), (640, 256412), (832, 197240), (1040, 157792), (1280, 128206), (1664, 98620), (2080, 78896), (2560, 64103), (3328, 49310), (4160, 39448), (4931, 33280), (6656, 24655), (8320, 19724), (9862, 16640)]