25465700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1031}}^1$

素因数の和:1077

約数の個数: 72

約数和(自身を含む): 62704320

約数和(自身を除く): 37238620

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 130, 190, 247, 260, 325, 380, 475, 494, 650, 950, 988, 1031, 1235, 1300, 1900, 2062, 2470, 4124, 4940, 5155, 6175, 10310, 12350, 13403, 19589, 20620, 24700, 25775, 26806, 39178, 51550, 53612, 67015, 78356, 97945, 103100, 134030, 195890, 254657, 268060, 335075, 391780, 489725, 509314, 670150, 979450, 1018628, 1273285, 1340300, 1958900, 2546570, 5093140, 6366425, 12732850, 25465700]

約数ペア:

[(1, 25465700), (2, 12732850), (4, 6366425), (5, 5093140), (10, 2546570), (13, 1958900), (19, 1340300), (20, 1273285), (25, 1018628), (26, 979450), (38, 670150), (50, 509314), (52, 489725), (65, 391780), (76, 335075), (95, 268060), (100, 254657), (130, 195890), (190, 134030), (247, 103100), (260, 97945), (325, 78356), (380, 67015), (475, 53612), (494, 51550), (650, 39178), (950, 26806), (988, 25775), (1031, 24700), (1235, 20620), (1300, 19589), (1900, 13403), (2062, 12350), (2470, 10310), (4124, 6175), (4940, 5155)]