39802880

素因数分解:

$2^{11}\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1$

素因数の和:76

約数の個数: 144

約数和(自身を含む): 107911440

約数和(自身を除く): 68108560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 64, 65, 80, 92, 104, 115, 128, 130, 160, 169, 184, 208, 230, 256, 260, 299, 320, 338, 368, 416, 460, 512, 520, 598, 640, 676, 736, 832, 845, 920, 1024, 1040, 1196, 1280, 1352, 1472, 1495, 1664, 1690, 1840, 2048, 2080, 2392, 2560, 2704, 2944, 2990, 3328, 3380, 3680, 3887, 4160, 4784, 5120, 5408, 5888, 5980, 6656, 6760, 7360, 7774, 8320, 9568, 10240, 10816, 11776, 11960, 13312, 13520, 14720, 15548, 16640, 19136, 19435, 21632, 23552, 23920, 26624, 27040, 29440, 31096, 33280, 38272, 38870, 43264, 47104, 47840, 54080, 58880, 62192, 66560, 76544, 77740, 86528, 95680, 108160, 117760, 124384, 133120, 153088, 155480, 173056, 191360, 216320, 235520, 248768, 306176, 310960, 346112, 382720, 432640, 497536, 612352, 621920, 765440, 865280, 995072, 1243840, 1530880, 1730560, 1990144, 2487680, 3061760, 3980288, 4975360, 7960576, 9950720, 19901440, 39802880]

約数ペア:

[(1, 39802880), (2, 19901440), (4, 9950720), (5, 7960576), (8, 4975360), (10, 3980288), (13, 3061760), (16, 2487680), (20, 1990144), (23, 1730560), (26, 1530880), (32, 1243840), (40, 995072), (46, 865280), (52, 765440), (64, 621920), (65, 612352), (80, 497536), (92, 432640), (104, 382720), (115, 346112), (128, 310960), (130, 306176), (160, 248768), (169, 235520), (184, 216320), (208, 191360), (230, 173056), (256, 155480), (260, 153088), (299, 133120), (320, 124384), (338, 117760), (368, 108160), (416, 95680), (460, 86528), (512, 77740), (520, 76544), (598, 66560), (640, 62192), (676, 58880), (736, 54080), (832, 47840), (845, 47104), (920, 43264), (1024, 38870), (1040, 38272), (1196, 33280), (1280, 31096), (1352, 29440), (1472, 27040), (1495, 26624), (1664, 23920), (1690, 23552), (1840, 21632), (2048, 19435), (2080, 19136), (2392, 16640), (2560, 15548), (2704, 14720), (2944, 13520), (2990, 13312), (3328, 11960), (3380, 11776), (3680, 10816), (3887, 10240), (4160, 9568), (4784, 8320), (5120, 7774), (5408, 7360), (5888, 6760), (5980, 6656)]