40693760

素因数分解:

$2^{12}\times 5^1\times {\mathrm{1987}}^1$

素因数の和:2016

約数の個数: 52

約数和(自身を含む): 97702248

約数和(自身を除く): 57008488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 1987, 2048, 2560, 3974, 4096, 5120, 7948, 9935, 10240, 15896, 19870, 20480, 31792, 39740, 63584, 79480, 127168, 158960, 254336, 317920, 508672, 635840, 1017344, 1271680, 2034688, 2543360, 4069376, 5086720, 8138752, 10173440, 20346880, 40693760]

約数ペア:

[(1, 40693760), (2, 20346880), (4, 10173440), (5, 8138752), (8, 5086720), (10, 4069376), (16, 2543360), (20, 2034688), (32, 1271680), (40, 1017344), (64, 635840), (80, 508672), (128, 317920), (160, 254336), (256, 158960), (320, 127168), (512, 79480), (640, 63584), (1024, 39740), (1280, 31792), (1987, 20480), (2048, 19870), (2560, 15896), (3974, 10240), (4096, 9935), (5120, 7948)]