80202220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{81839}}^1$

素因数の和:81862

約数の個数: 36

約数和(自身を含む): 195924960

約数和(自身を除く): 115722740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 81839, 163678, 327356, 409195, 572873, 818390, 1145746, 1636780, 2291492, 2864365, 4010111, 5728730, 8020222, 11457460, 16040444, 20050555, 40101110, 80202220]

約数ペア:

[(1, 80202220), (2, 40101110), (4, 20050555), (5, 16040444), (7, 11457460), (10, 8020222), (14, 5728730), (20, 4010111), (28, 2864365), (35, 2291492), (49, 1636780), (70, 1145746), (98, 818390), (140, 572873), (196, 409195), (245, 327356), (490, 163678), (980, 81839)]