86290000

素因数分解:

$2^4\times 5^4\times {\mathrm{8629}}^1$

素因数の和:8657

約数の個数: 50

約数和(自身を含む): 208940930

約数和(自身を除く): 122650930

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, 5000, 8629, 10000, 17258, 34516, 43145, 69032, 86290, 138064, 172580, 215725, 345160, 431450, 690320, 862900, 1078625, 1725800, 2157250, 3451600, 4314500, 5393125, 8629000, 10786250, 17258000, 21572500, 43145000, 86290000]

約数ペア:

[(1, 86290000), (2, 43145000), (4, 21572500), (5, 17258000), (8, 10786250), (10, 8629000), (16, 5393125), (20, 4314500), (25, 3451600), (40, 2157250), (50, 1725800), (80, 1078625), (100, 862900), (125, 690320), (200, 431450), (250, 345160), (400, 215725), (500, 172580), (625, 138064), (1000, 86290), (1250, 69032), (2000, 43145), (2500, 34516), (5000, 17258), (8629, 10000)]