202100240

素因数分解:

$2^4\times 5^1\times {\mathrm{311}}^1\times {\mathrm{8123}}^1$

素因数の和:8447

約数の個数: 40

約数和(自身を含む): 471451968

約数和(自身を除く): 269351728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 311, 622, 1244, 1555, 2488, 3110, 4976, 6220, 8123, 12440, 16246, 24880, 32492, 40615, 64984, 81230, 129968, 162460, 324920, 649840, 2526253, 5052506, 10105012, 12631265, 20210024, 25262530, 40420048, 50525060, 101050120, 202100240]

約数ペア:

[(1, 202100240), (2, 101050120), (4, 50525060), (5, 40420048), (8, 25262530), (10, 20210024), (16, 12631265), (20, 10105012), (40, 5052506), (80, 2526253), (311, 649840), (622, 324920), (1244, 162460), (1555, 129968), (2488, 81230), (3110, 64984), (4976, 40615), (6220, 32492), (8123, 24880), (12440, 16246)]