12968960

素因数分解:

$2^{10}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1$

素因数の和:191

約数の個数: 88

約数和(自身を含む): 33161400

約数和(自身を除く): 20192440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 149, 160, 170, 256, 272, 298, 320, 340, 512, 544, 596, 640, 680, 745, 1024, 1088, 1192, 1280, 1360, 1490, 2176, 2384, 2533, 2560, 2720, 2980, 4352, 4768, 5066, 5120, 5440, 5960, 8704, 9536, 10132, 10880, 11920, 12665, 17408, 19072, 20264, 21760, 23840, 25330, 38144, 40528, 43520, 47680, 50660, 76288, 81056, 87040, 95360, 101320, 152576, 162112, 190720, 202640, 324224, 381440, 405280, 648448, 762880, 810560, 1296896, 1621120, 2593792, 3242240, 6484480, 12968960]

約数ペア:

[(1, 12968960), (2, 6484480), (4, 3242240), (5, 2593792), (8, 1621120), (10, 1296896), (16, 810560), (17, 762880), (20, 648448), (32, 405280), (34, 381440), (40, 324224), (64, 202640), (68, 190720), (80, 162112), (85, 152576), (128, 101320), (136, 95360), (149, 87040), (160, 81056), (170, 76288), (256, 50660), (272, 47680), (298, 43520), (320, 40528), (340, 38144), (512, 25330), (544, 23840), (596, 21760), (640, 20264), (680, 19072), (745, 17408), (1024, 12665), (1088, 11920), (1192, 10880), (1280, 10132), (1360, 9536), (1490, 8704), (2176, 5960), (2384, 5440), (2533, 5120), (2560, 5066), (2720, 4768), (2980, 4352)]