99688840

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{25693}}^1$

素因数の和:25801

約数の個数: 32

約数和(自身を含む): 226621080

約数和(自身を除く): 126932240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 25693, 51386, 102772, 128465, 205544, 256930, 513860, 1027720, 2492221, 4984442, 9968884, 12461105, 19937768, 24922210, 49844420, 99688840]

約数ペア:

[(1, 99688840), (2, 49844420), (4, 24922210), (5, 19937768), (8, 12461105), (10, 9968884), (20, 4984442), (40, 2492221), (97, 1027720), (194, 513860), (388, 256930), (485, 205544), (776, 128465), (970, 102772), (1940, 51386), (3880, 25693)]