13954120

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2663}}^1$

素因数の和:2805

約数の個数: 32

約数和(自身を含む): 31648320

約数和(自身を除く): 17694200

約数列:

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

約数ペア:

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