2009961728

素因数分解:

$2^8\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{1163}}^1$

素因数の和:1379

約数の個数: 72

約数和(自身を含む): 4135077408

約数和(自身を除く): 2125115680

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 157, 172, 256, 314, 344, 628, 688, 1163, 1256, 1376, 2326, 2512, 2752, 4652, 5024, 5504, 6751, 9304, 10048, 11008, 13502, 18608, 20096, 27004, 37216, 40192, 50009, 54008, 74432, 100018, 108016, 148864, 182591, 200036, 216032, 297728, 365182, 400072, 432064, 730364, 800144, 864128, 1460728, 1600288, 1728256, 2921456, 3200576, 5842912, 6401152, 7851413, 11685824, 12802304, 15702826, 23371648, 31405652, 46743296, 62811304, 125622608, 251245216, 502490432, 1004980864, 2009961728]

約数ペア:

[(1, 2009961728), (2, 1004980864), (4, 502490432), (8, 251245216), (16, 125622608), (32, 62811304), (43, 46743296), (64, 31405652), (86, 23371648), (128, 15702826), (157, 12802304), (172, 11685824), (256, 7851413), (314, 6401152), (344, 5842912), (628, 3200576), (688, 2921456), (1163, 1728256), (1256, 1600288), (1376, 1460728), (2326, 864128), (2512, 800144), (2752, 730364), (4652, 432064), (5024, 400072), (5504, 365182), (6751, 297728), (9304, 216032), (10048, 200036), (11008, 182591), (13502, 148864), (18608, 108016), (20096, 100018), (27004, 74432), (37216, 54008), (40192, 50009)]