65791250

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:205

約数の個数: 80

約数和(自身を含む): 144253824

約数和(自身を除く): 78462574

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 73, 103, 125, 146, 175, 206, 250, 350, 365, 511, 515, 625, 721, 730, 875, 1022, 1030, 1250, 1442, 1750, 1825, 2555, 2575, 3605, 3650, 4375, 5110, 5150, 7210, 7519, 8750, 9125, 12775, 12875, 15038, 18025, 18250, 25550, 25750, 36050, 37595, 45625, 52633, 63875, 64375, 75190, 90125, 91250, 105266, 127750, 128750, 180250, 187975, 263165, 319375, 375950, 450625, 526330, 638750, 901250, 939875, 1315825, 1879750, 2631650, 4699375, 6579125, 9398750, 13158250, 32895625, 65791250]

約数ペア:

[(1, 65791250), (2, 32895625), (5, 13158250), (7, 9398750), (10, 6579125), (14, 4699375), (25, 2631650), (35, 1879750), (50, 1315825), (70, 939875), (73, 901250), (103, 638750), (125, 526330), (146, 450625), (175, 375950), (206, 319375), (250, 263165), (350, 187975), (365, 180250), (511, 128750), (515, 127750), (625, 105266), (721, 91250), (730, 90125), (875, 75190), (1022, 64375), (1030, 63875), (1250, 52633), (1442, 45625), (1750, 37595), (1825, 36050), (2555, 25750), (2575, 25550), (3605, 18250), (3650, 18025), (4375, 15038), (5110, 12875), (5150, 12775), (7210, 9125), (7519, 8750)]