25560275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 36664320

約数和(自身を除く): 11104045

約数列:

[1, 5, 13, 25, 31, 43, 59, 65, 155, 215, 295, 325, 403, 559, 767, 775, 1075, 1333, 1475, 1829, 2015, 2537, 2795, 3835, 6665, 9145, 10075, 12685, 13975, 17329, 19175, 23777, 32981, 33325, 45725, 63425, 78647, 86645, 118885, 164905, 393235, 433225, 594425, 824525, 1022411, 1966175, 5112055, 25560275]

約数ペア:

[(1, 25560275), (5, 5112055), (13, 1966175), (25, 1022411), (31, 824525), (43, 594425), (59, 433225), (65, 393235), (155, 164905), (215, 118885), (295, 86645), (325, 78647), (403, 63425), (559, 45725), (767, 33325), (775, 32981), (1075, 23777), (1333, 19175), (1475, 17329), (1829, 13975), (2015, 12685), (2537, 10075), (2795, 9145), (3835, 6665)]