15939950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:341

約数の個数: 48

約数和(自身を含む): 32341680

約数和(自身を除く): 16401730

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 137, 179, 274, 325, 358, 650, 685, 895, 1370, 1781, 1790, 2327, 3425, 3562, 4475, 4654, 6850, 8905, 8950, 11635, 17810, 23270, 24523, 44525, 49046, 58175, 89050, 116350, 122615, 245230, 318799, 613075, 637598, 1226150, 1593995, 3187990, 7969975, 15939950]

約数ペア:

[(1, 15939950), (2, 7969975), (5, 3187990), (10, 1593995), (13, 1226150), (25, 637598), (26, 613075), (50, 318799), (65, 245230), (130, 122615), (137, 116350), (179, 89050), (274, 58175), (325, 49046), (358, 44525), (650, 24523), (685, 23270), (895, 17810), (1370, 11635), (1781, 8950), (1790, 8905), (2327, 6850), (3425, 4654), (3562, 4475)]