13212160

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1$

素因数の和:433

約数の個数: 80

約数和(自身を含む): 34200936

約数和(自身を除く): 20988776

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, 397, 416, 512, 520, 640, 794, 832, 1040, 1280, 1588, 1664, 1985, 2080, 2560, 3176, 3328, 3970, 4160, 5161, 6352, 6656, 7940, 8320, 10322, 12704, 15880, 16640, 20644, 25408, 25805, 31760, 33280, 41288, 50816, 51610, 63520, 82576, 101632, 103220, 127040, 165152, 203264, 206440, 254080, 330304, 412880, 508160, 660608, 825760, 1016320, 1321216, 1651520, 2642432, 3303040, 6606080, 13212160]

約数ペア:

[(1, 13212160), (2, 6606080), (4, 3303040), (5, 2642432), (8, 1651520), (10, 1321216), (13, 1016320), (16, 825760), (20, 660608), (26, 508160), (32, 412880), (40, 330304), (52, 254080), (64, 206440), (65, 203264), (80, 165152), (104, 127040), (128, 103220), (130, 101632), (160, 82576), (208, 63520), (256, 51610), (260, 50816), (320, 41288), (397, 33280), (416, 31760), (512, 25805), (520, 25408), (640, 20644), (794, 16640), (832, 15880), (1040, 12704), (1280, 10322), (1588, 8320), (1664, 7940), (1985, 6656), (2080, 6352), (2560, 5161), (3176, 4160), (3328, 3970)]