74781520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{84979}}^1$

素因数の和:85003

約数の個数: 40

約数和(自身を含む): 189675360

約数和(自身を除く): 114893840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 84979, 169958, 339916, 424895, 679832, 849790, 934769, 1359664, 1699580, 1869538, 3399160, 3739076, 4673845, 6798320, 7478152, 9347690, 14956304, 18695380, 37390760, 74781520]

約数ペア:

[(1, 74781520), (2, 37390760), (4, 18695380), (5, 14956304), (8, 9347690), (10, 7478152), (11, 6798320), (16, 4673845), (20, 3739076), (22, 3399160), (40, 1869538), (44, 1699580), (55, 1359664), (80, 934769), (88, 849790), (110, 679832), (176, 424895), (220, 339916), (440, 169958), (880, 84979)]