1996246720

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{887}}^1$

素因数の和:1458

約数の個数: 112

約数和(自身を含む): 5134465728

約数和(自身を除く): 3138219008

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 541, 832, 887, 1040, 1082, 1774, 2080, 2164, 2705, 3548, 4160, 4328, 4435, 5410, 7033, 7096, 8656, 8870, 10820, 11531, 14066, 14192, 17312, 17740, 21640, 23062, 28132, 28384, 34624, 35165, 35480, 43280, 46124, 56264, 56768, 57655, 70330, 70960, 86560, 92248, 112528, 115310, 140660, 141920, 173120, 184496, 225056, 230620, 281320, 283840, 368992, 450112, 461240, 479867, 562640, 737984, 922480, 959734, 1125280, 1844960, 1919468, 2250560, 2399335, 3689920, 3838936, 4798670, 6238271, 7677872, 9597340, 12476542, 15355744, 19194680, 24953084, 30711488, 31191355, 38389360, 49906168, 62382710, 76778720, 99812336, 124765420, 153557440, 199624672, 249530840, 399249344, 499061680, 998123360, 1996246720]

約数ペア:

[(1, 1996246720), (2, 998123360), (4, 499061680), (5, 399249344), (8, 249530840), (10, 199624672), (13, 153557440), (16, 124765420), (20, 99812336), (26, 76778720), (32, 62382710), (40, 49906168), (52, 38389360), (64, 31191355), (65, 30711488), (80, 24953084), (104, 19194680), (130, 15355744), (160, 12476542), (208, 9597340), (260, 7677872), (320, 6238271), (416, 4798670), (520, 3838936), (541, 3689920), (832, 2399335), (887, 2250560), (1040, 1919468), (1082, 1844960), (1774, 1125280), (2080, 959734), (2164, 922480), (2705, 737984), (3548, 562640), (4160, 479867), (4328, 461240), (4435, 450112), (5410, 368992), (7033, 283840), (7096, 281320), (8656, 230620), (8870, 225056), (10820, 184496), (11531, 173120), (14066, 141920), (14192, 140660), (17312, 115310), (17740, 112528), (21640, 92248), (23062, 86560), (28132, 70960), (28384, 70330), (34624, 57655), (35165, 56768), (35480, 56264), (43280, 46124)]