25248260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{211}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 55276032

約数和(自身を除く): 30027772

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 193, 211, 310, 386, 422, 620, 772, 844, 965, 1055, 1930, 2110, 3860, 4220, 5983, 6541, 11966, 13082, 23932, 26164, 29915, 32705, 40723, 59830, 65410, 81446, 119660, 130820, 162892, 203615, 407230, 814460, 1262413, 2524826, 5049652, 6312065, 12624130, 25248260]

約数ペア:

[(1, 25248260), (2, 12624130), (4, 6312065), (5, 5049652), (10, 2524826), (20, 1262413), (31, 814460), (62, 407230), (124, 203615), (155, 162892), (193, 130820), (211, 119660), (310, 81446), (386, 65410), (422, 59830), (620, 40723), (772, 32705), (844, 29915), (965, 26164), (1055, 23932), (1930, 13082), (2110, 11966), (3860, 6541), (4220, 5983)]