27908240

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2663}}^1$

素因数の和:2807

約数の個数: 40

約数和(自身を含む): 65406528

約数和(自身を除く): 37498288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 2663, 5240, 5326, 10480, 10652, 13315, 21304, 26630, 42608, 53260, 106520, 213040, 348853, 697706, 1395412, 1744265, 2790824, 3488530, 5581648, 6977060, 13954120, 27908240]

約数ペア:

[(1, 27908240), (2, 13954120), (4, 6977060), (5, 5581648), (8, 3488530), (10, 2790824), (16, 1744265), (20, 1395412), (40, 697706), (80, 348853), (131, 213040), (262, 106520), (524, 53260), (655, 42608), (1048, 26630), (1310, 21304), (2096, 13315), (2620, 10652), (2663, 10480), (5240, 5326)]