8397100

素因数分解:

$2^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{641}}^1$

素因数の和:786

約数の個数: 36

約数和(自身を含む): 18389448

約数和(自身を除く): 9992348

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 131, 262, 524, 641, 655, 1282, 1310, 2564, 2620, 3205, 3275, 6410, 6550, 12820, 13100, 16025, 32050, 64100, 83971, 167942, 335884, 419855, 839710, 1679420, 2099275, 4198550, 8397100]

約数ペア:

[(1, 8397100), (2, 4198550), (4, 2099275), (5, 1679420), (10, 839710), (20, 419855), (25, 335884), (50, 167942), (100, 83971), (131, 64100), (262, 32050), (524, 16025), (641, 13100), (655, 12820), (1282, 6550), (1310, 6410), (2564, 3275), (2620, 3205)]