65928520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{33637}}^1$

素因数の和:33662

約数の個数: 48

約数和(自身を含む): 172562940

約数和(自身を除く): 106634420

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 33637, 67274, 134548, 168185, 235459, 269096, 336370, 470918, 672740, 941836, 1177295, 1345480, 1648213, 1883672, 2354590, 3296426, 4709180, 6592852, 8241065, 9418360, 13185704, 16482130, 32964260, 65928520]

約数ペア:

[(1, 65928520), (2, 32964260), (4, 16482130), (5, 13185704), (7, 9418360), (8, 8241065), (10, 6592852), (14, 4709180), (20, 3296426), (28, 2354590), (35, 1883672), (40, 1648213), (49, 1345480), (56, 1177295), (70, 941836), (98, 672740), (140, 470918), (196, 336370), (245, 269096), (280, 235459), (392, 168185), (490, 134548), (980, 67274), (1960, 33637)]