25151345

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 33454080

約数和(自身を除く): 8302735

約数列:

[1, 5, 19, 43, 47, 95, 131, 215, 235, 655, 817, 893, 2021, 2489, 4085, 4465, 5633, 6157, 10105, 12445, 28165, 30785, 38399, 107027, 116983, 191995, 264751, 535135, 584915, 1323755, 5030269, 25151345]

約数ペア:

[(1, 25151345), (5, 5030269), (19, 1323755), (43, 584915), (47, 535135), (95, 264751), (131, 191995), (215, 116983), (235, 107027), (655, 38399), (817, 30785), (893, 28165), (2021, 12445), (2489, 10105), (4085, 6157), (4465, 5633)]