28542640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{50969}}^1$

素因数の和:50989

約数の個数: 40

約数和(自身を含む): 75843360

約数和(自身を除く): 47300720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 50969, 101938, 203876, 254845, 356783, 407752, 509690, 713566, 815504, 1019380, 1427132, 1783915, 2038760, 2854264, 3567830, 4077520, 5708528, 7135660, 14271320, 28542640]

約数ペア:

[(1, 28542640), (2, 14271320), (4, 7135660), (5, 5708528), (7, 4077520), (8, 3567830), (10, 2854264), (14, 2038760), (16, 1783915), (20, 1427132), (28, 1019380), (35, 815504), (40, 713566), (56, 509690), (70, 407752), (80, 356783), (112, 254845), (140, 203876), (280, 101938), (560, 50969)]