25060520

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{11821}}^1$

素因数の和:11885

約数の個数: 32

約数和(自身を含む): 57454920

約数和(自身を除く): 32394400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 11821, 23642, 47284, 59105, 94568, 118210, 236420, 472840, 626513, 1253026, 2506052, 3132565, 5012104, 6265130, 12530260, 25060520]

約数ペア:

[(1, 25060520), (2, 12530260), (4, 6265130), (5, 5012104), (8, 3132565), (10, 2506052), (20, 1253026), (40, 626513), (53, 472840), (106, 236420), (212, 118210), (265, 94568), (424, 59105), (530, 47284), (1060, 23642), (2120, 11821)]