1889405440

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{56773}}^1$

素因数の和:56809

約数の個数: 80

約数和(自身を含む): 4878703368

約数和(自身を除く): 2989297928

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, 6656, 8320, 16640, 33280, 56773, 113546, 227092, 283865, 454184, 567730, 738049, 908368, 1135460, 1476098, 1816736, 2270920, 2952196, 3633472, 3690245, 4541840, 5904392, 7266944, 7380490, 9083680, 11808784, 14533888, 14760980, 18167360, 23617568, 29067776, 29521960, 36334720, 47235136, 59043920, 72669440, 94470272, 118087840, 145338880, 188940544, 236175680, 377881088, 472351360, 944702720, 1889405440]

約数ペア:

[(1, 1889405440), (2, 944702720), (4, 472351360), (5, 377881088), (8, 236175680), (10, 188940544), (13, 145338880), (16, 118087840), (20, 94470272), (26, 72669440), (32, 59043920), (40, 47235136), (52, 36334720), (64, 29521960), (65, 29067776), (80, 23617568), (104, 18167360), (128, 14760980), (130, 14533888), (160, 11808784), (208, 9083680), (256, 7380490), (260, 7266944), (320, 5904392), (416, 4541840), (512, 3690245), (520, 3633472), (640, 2952196), (832, 2270920), (1040, 1816736), (1280, 1476098), (1664, 1135460), (2080, 908368), (2560, 738049), (3328, 567730), (4160, 454184), (6656, 283865), (8320, 227092), (16640, 113546), (33280, 56773)]