39265940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2141}}^1$

素因数の和:2288

約数の個数: 48

約数和(自身を含む): 95001984

約数和(自身を除く): 55736044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 917, 1310, 1834, 2141, 2620, 3668, 4282, 4585, 8564, 9170, 10705, 14987, 18340, 21410, 29974, 42820, 59948, 74935, 149870, 280471, 299740, 560942, 1121884, 1402355, 1963297, 2804710, 3926594, 5609420, 7853188, 9816485, 19632970, 39265940]

約数ペア:

[(1, 39265940), (2, 19632970), (4, 9816485), (5, 7853188), (7, 5609420), (10, 3926594), (14, 2804710), (20, 1963297), (28, 1402355), (35, 1121884), (70, 560942), (131, 299740), (140, 280471), (262, 149870), (524, 74935), (655, 59948), (917, 42820), (1310, 29974), (1834, 21410), (2141, 18340), (2620, 14987), (3668, 10705), (4282, 9170), (4585, 8564)]