31210000

素因数分解:

$2^4\times 5^4\times {\mathrm{3121}}^1$

素因数の和:3149

約数の個数: 50

約数和(自身を含む): 75586742

約数和(自身を除く): 44376742

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 3121, 5000, 6242, 10000, 12484, 15605, 24968, 31210, 49936, 62420, 78025, 124840, 156050, 249680, 312100, 390125, 624200, 780250, 1248400, 1560500, 1950625, 3121000, 3901250, 6242000, 7802500, 15605000, 31210000]

約数ペア:

[(1, 31210000), (2, 15605000), (4, 7802500), (5, 6242000), (8, 3901250), (10, 3121000), (16, 1950625), (20, 1560500), (25, 1248400), (40, 780250), (50, 624200), (80, 390125), (100, 312100), (125, 249680), (200, 156050), (250, 124840), (400, 78025), (500, 62420), (625, 49936), (1000, 31210), (1250, 24968), (2000, 15605), (2500, 12484), (3121, 10000), (5000, 6242)]