50005000

素因数分解:

$2^3\times 5^4\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:236

約数の個数: 80

約数和(自身を含む): 119633580

約数和(自身を除く): 69628580

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 73, 100, 125, 137, 146, 200, 250, 274, 292, 365, 500, 548, 584, 625, 685, 730, 1000, 1096, 1250, 1370, 1460, 1825, 2500, 2740, 2920, 3425, 3650, 5000, 5480, 6850, 7300, 9125, 10001, 13700, 14600, 17125, 18250, 20002, 27400, 34250, 36500, 40004, 45625, 50005, 68500, 73000, 80008, 85625, 91250, 100010, 137000, 171250, 182500, 200020, 250025, 342500, 365000, 400040, 500050, 685000, 1000100, 1250125, 2000200, 2500250, 5000500, 6250625, 10001000, 12501250, 25002500, 50005000]

約数ペア:

[(1, 50005000), (2, 25002500), (4, 12501250), (5, 10001000), (8, 6250625), (10, 5000500), (20, 2500250), (25, 2000200), (40, 1250125), (50, 1000100), (73, 685000), (100, 500050), (125, 400040), (137, 365000), (146, 342500), (200, 250025), (250, 200020), (274, 182500), (292, 171250), (365, 137000), (500, 100010), (548, 91250), (584, 85625), (625, 80008), (685, 73000), (730, 68500), (1000, 50005), (1096, 45625), (1250, 40004), (1370, 36500), (1460, 34250), (1825, 27400), (2500, 20002), (2740, 18250), (2920, 17125), (3425, 14600), (3650, 13700), (5000, 10001), (5480, 9125), (6850, 7300)]