25494950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:729

約数の個数: 48

約数和(自身を含む): 51986256

約数和(自身を除く): 26491306

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 61, 65, 122, 130, 305, 325, 610, 643, 650, 793, 1286, 1525, 1586, 3050, 3215, 3965, 6430, 7930, 8359, 16075, 16718, 19825, 32150, 39223, 39650, 41795, 78446, 83590, 196115, 208975, 392230, 417950, 509899, 980575, 1019798, 1961150, 2549495, 5098990, 12747475, 25494950]

約数ペア:

[(1, 25494950), (2, 12747475), (5, 5098990), (10, 2549495), (13, 1961150), (25, 1019798), (26, 980575), (50, 509899), (61, 417950), (65, 392230), (122, 208975), (130, 196115), (305, 83590), (325, 78446), (610, 41795), (643, 39650), (650, 39223), (793, 32150), (1286, 19825), (1525, 16718), (1586, 16075), (3050, 8359), (3215, 7930), (3965, 6430)]