78025000

素因数分解:

$2^3\times 5^5\times {\mathrm{3121}}^1$

素因数の和:3152

約数の個数: 48

約数和(自身を含む): 182917980

約数和(自身を除く): 104892980

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 3121, 3125, 5000, 6242, 6250, 12484, 12500, 15605, 24968, 25000, 31210, 62420, 78025, 124840, 156050, 312100, 390125, 624200, 780250, 1560500, 1950625, 3121000, 3901250, 7802500, 9753125, 15605000, 19506250, 39012500, 78025000]

約数ペア:

[(1, 78025000), (2, 39012500), (4, 19506250), (5, 15605000), (8, 9753125), (10, 7802500), (20, 3901250), (25, 3121000), (40, 1950625), (50, 1560500), (100, 780250), (125, 624200), (200, 390125), (250, 312100), (500, 156050), (625, 124840), (1000, 78025), (1250, 62420), (2500, 31210), (3121, 25000), (3125, 24968), (5000, 15605), (6242, 12500), (6250, 12484)]