74721040

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{9629}}^1$

素因数の和:9739

約数の個数: 40

約数和(自身を含む): 175535640

約数和(自身を除く): 100814600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 9629, 19258, 38516, 48145, 77032, 96290, 154064, 192580, 385160, 770320, 934013, 1868026, 3736052, 4670065, 7472104, 9340130, 14944208, 18680260, 37360520, 74721040]

約数ペア:

[(1, 74721040), (2, 37360520), (4, 18680260), (5, 14944208), (8, 9340130), (10, 7472104), (16, 4670065), (20, 3736052), (40, 1868026), (80, 934013), (97, 770320), (194, 385160), (388, 192580), (485, 154064), (776, 96290), (970, 77032), (1552, 48145), (1940, 38516), (3880, 19258), (7760, 9629)]