23615440

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1811}}^1$

素因数の和:1987

約数の個数: 40

約数和(自身を含む): 55273248

約数和(自身を除く): 31657808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 1811, 2608, 3260, 3622, 6520, 7244, 9055, 13040, 14488, 18110, 28976, 36220, 72440, 144880, 295193, 590386, 1180772, 1475965, 2361544, 2951930, 4723088, 5903860, 11807720, 23615440]

約数ペア:

[(1, 23615440), (2, 11807720), (4, 5903860), (5, 4723088), (8, 2951930), (10, 2361544), (16, 1475965), (20, 1180772), (40, 590386), (80, 295193), (163, 144880), (326, 72440), (652, 36220), (815, 28976), (1304, 18110), (1630, 14488), (1811, 13040), (2608, 9055), (3260, 7244), (3622, 6520)]