66743120

素因数分解:

$2^4\times 5^1\times {\mathrm{281}}^1\times {\mathrm{2969}}^1$

素因数の和:3263

約数の個数: 40

約数和(自身を含む): 155782440

約数和(自身を除く): 89039320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 281, 562, 1124, 1405, 2248, 2810, 2969, 4496, 5620, 5938, 11240, 11876, 14845, 22480, 23752, 29690, 47504, 59380, 118760, 237520, 834289, 1668578, 3337156, 4171445, 6674312, 8342890, 13348624, 16685780, 33371560, 66743120]

約数ペア:

[(1, 66743120), (2, 33371560), (4, 16685780), (5, 13348624), (8, 8342890), (10, 6674312), (16, 4171445), (20, 3337156), (40, 1668578), (80, 834289), (281, 237520), (562, 118760), (1124, 59380), (1405, 47504), (2248, 29690), (2810, 23752), (2969, 22480), (4496, 14845), (5620, 11876), (5938, 11240)]