66805340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{20747}}^1$

素因数の和:20786

約数の個数: 48

約数和(自身を含む): 167311872

約数和(自身を除く): 100506532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 20747, 41494, 82988, 103735, 145229, 207470, 290458, 414940, 477181, 580916, 726145, 954362, 1452290, 1908724, 2385905, 2904580, 3340267, 4771810, 6680534, 9543620, 13361068, 16701335, 33402670, 66805340]

約数ペア:

[(1, 66805340), (2, 33402670), (4, 16701335), (5, 13361068), (7, 9543620), (10, 6680534), (14, 4771810), (20, 3340267), (23, 2904580), (28, 2385905), (35, 1908724), (46, 1452290), (70, 954362), (92, 726145), (115, 580916), (140, 477181), (161, 414940), (230, 290458), (322, 207470), (460, 145229), (644, 103735), (805, 82988), (1610, 41494), (3220, 20747)]