39387500

素因数分解:

$2^2\times 5^5\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 90556704

約数和(自身を除く): 51169204

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 125, 137, 230, 250, 274, 460, 500, 548, 575, 625, 685, 1150, 1250, 1370, 2300, 2500, 2740, 2875, 3125, 3151, 3425, 5750, 6250, 6302, 6850, 11500, 12500, 12604, 13700, 14375, 15755, 17125, 28750, 31510, 34250, 57500, 63020, 68500, 71875, 78775, 85625, 143750, 157550, 171250, 287500, 315100, 342500, 393875, 428125, 787750, 856250, 1575500, 1712500, 1969375, 3938750, 7877500, 9846875, 19693750, 39387500]

約数ペア:

[(1, 39387500), (2, 19693750), (4, 9846875), (5, 7877500), (10, 3938750), (20, 1969375), (23, 1712500), (25, 1575500), (46, 856250), (50, 787750), (92, 428125), (100, 393875), (115, 342500), (125, 315100), (137, 287500), (230, 171250), (250, 157550), (274, 143750), (460, 85625), (500, 78775), (548, 71875), (575, 68500), (625, 63020), (685, 57500), (1150, 34250), (1250, 31510), (1370, 28750), (2300, 17125), (2500, 15755), (2740, 14375), (2875, 13700), (3125, 12604), (3151, 12500), (3425, 11500), (5750, 6850), (6250, 6302)]