127716640

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{19469}}^1$

素因数の和:19525

約数の個数: 48

約数和(自身を含む): 309105720

約数和(自身を除く): 181389080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 19469, 38938, 77876, 97345, 155752, 194690, 311504, 389380, 623008, 778760, 798229, 1557520, 1596458, 3115040, 3192916, 3991145, 6385832, 7982290, 12771664, 15964580, 25543328, 31929160, 63858320, 127716640]

約数ペア:

[(1, 127716640), (2, 63858320), (4, 31929160), (5, 25543328), (8, 15964580), (10, 12771664), (16, 7982290), (20, 6385832), (32, 3991145), (40, 3192916), (41, 3115040), (80, 1596458), (82, 1557520), (160, 798229), (164, 778760), (205, 623008), (328, 389380), (410, 311504), (656, 194690), (820, 155752), (1312, 97345), (1640, 77876), (3280, 38938), (6560, 19469)]