2009905664

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4507}}^1$

素因数の和:4605

約数の個数: 80

約数和(自身を含む): 4390323168

約数和(自身を除く): 2380417504

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 67, 104, 128, 134, 208, 256, 268, 416, 512, 536, 832, 871, 1072, 1664, 1742, 2144, 3328, 3484, 4288, 4507, 6656, 6968, 8576, 9014, 13936, 17152, 18028, 27872, 34304, 36056, 55744, 58591, 72112, 111488, 117182, 144224, 222976, 234364, 288448, 301969, 445952, 468728, 576896, 603938, 937456, 1153792, 1207876, 1874912, 2307584, 2415752, 3749824, 3925597, 4831504, 7499648, 7851194, 9663008, 14999296, 15702388, 19326016, 29998592, 31404776, 38652032, 62809552, 77304064, 125619104, 154608128, 251238208, 502476416, 1004952832, 2009905664]

約数ペア:

[(1, 2009905664), (2, 1004952832), (4, 502476416), (8, 251238208), (13, 154608128), (16, 125619104), (26, 77304064), (32, 62809552), (52, 38652032), (64, 31404776), (67, 29998592), (104, 19326016), (128, 15702388), (134, 14999296), (208, 9663008), (256, 7851194), (268, 7499648), (416, 4831504), (512, 3925597), (536, 3749824), (832, 2415752), (871, 2307584), (1072, 1874912), (1664, 1207876), (1742, 1153792), (2144, 937456), (3328, 603938), (3484, 576896), (4288, 468728), (4507, 445952), (6656, 301969), (6968, 288448), (8576, 234364), (9014, 222976), (13936, 144224), (17152, 117182), (18028, 111488), (27872, 72112), (34304, 58591), (36056, 55744)]