31540000

素因数分解:

$2^5\times 5^4\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:132

約数の個数: 120

約数和(自身を含む): 82661040

約数和(自身を除く): 51121040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 83, 95, 100, 125, 152, 160, 166, 190, 200, 250, 304, 332, 380, 400, 415, 475, 500, 608, 625, 664, 760, 800, 830, 950, 1000, 1250, 1328, 1520, 1577, 1660, 1900, 2000, 2075, 2375, 2500, 2656, 3040, 3154, 3320, 3800, 4000, 4150, 4750, 5000, 6308, 6640, 7600, 7885, 8300, 9500, 10000, 10375, 11875, 12616, 13280, 15200, 15770, 16600, 19000, 20000, 20750, 23750, 25232, 31540, 33200, 38000, 39425, 41500, 47500, 50464, 51875, 63080, 66400, 76000, 78850, 83000, 95000, 103750, 126160, 157700, 166000, 190000, 197125, 207500, 252320, 315400, 332000, 380000, 394250, 415000, 630800, 788500, 830000, 985625, 1261600, 1577000, 1660000, 1971250, 3154000, 3942500, 6308000, 7885000, 15770000, 31540000]

約数ペア:

[(1, 31540000), (2, 15770000), (4, 7885000), (5, 6308000), (8, 3942500), (10, 3154000), (16, 1971250), (19, 1660000), (20, 1577000), (25, 1261600), (32, 985625), (38, 830000), (40, 788500), (50, 630800), (76, 415000), (80, 394250), (83, 380000), (95, 332000), (100, 315400), (125, 252320), (152, 207500), (160, 197125), (166, 190000), (190, 166000), (200, 157700), (250, 126160), (304, 103750), (332, 95000), (380, 83000), (400, 78850), (415, 76000), (475, 66400), (500, 63080), (608, 51875), (625, 50464), (664, 47500), (760, 41500), (800, 39425), (830, 38000), (950, 33200), (1000, 31540), (1250, 25232), (1328, 23750), (1520, 20750), (1577, 20000), (1660, 19000), (1900, 16600), (2000, 15770), (2075, 15200), (2375, 13280), (2500, 12616), (2656, 11875), (3040, 10375), (3154, 10000), (3320, 9500), (3800, 8300), (4000, 7885), (4150, 7600), (4750, 6640), (5000, 6308)]