103786880

素因数分解:

$2^7\times 5^1\times {\mathrm{257}}^1\times {\mathrm{631}}^1$

素因数の和:907

約数の個数: 64

約数和(自身を含む): 249475680

約数和(自身を除く): 145688800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 257, 320, 514, 631, 640, 1028, 1262, 1285, 2056, 2524, 2570, 3155, 4112, 5048, 5140, 6310, 8224, 10096, 10280, 12620, 16448, 20192, 20560, 25240, 32896, 40384, 41120, 50480, 80768, 82240, 100960, 162167, 164480, 201920, 324334, 403840, 648668, 810835, 1297336, 1621670, 2594672, 3243340, 5189344, 6486680, 10378688, 12973360, 20757376, 25946720, 51893440, 103786880]

約数ペア:

[(1, 103786880), (2, 51893440), (4, 25946720), (5, 20757376), (8, 12973360), (10, 10378688), (16, 6486680), (20, 5189344), (32, 3243340), (40, 2594672), (64, 1621670), (80, 1297336), (128, 810835), (160, 648668), (257, 403840), (320, 324334), (514, 201920), (631, 164480), (640, 162167), (1028, 100960), (1262, 82240), (1285, 80768), (2056, 50480), (2524, 41120), (2570, 40384), (3155, 32896), (4112, 25240), (5048, 20560), (5140, 20192), (6310, 16448), (8224, 12620), (10096, 10280)]