15994100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:185

約数の個数: 72

約数和(自身を含む): 36747648

約数和(自身を除く): 20753548

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 47, 50, 82, 83, 94, 100, 164, 166, 188, 205, 235, 332, 410, 415, 470, 820, 830, 940, 1025, 1175, 1660, 1927, 2050, 2075, 2350, 3403, 3854, 3901, 4100, 4150, 4700, 6806, 7708, 7802, 8300, 9635, 13612, 15604, 17015, 19270, 19505, 34030, 38540, 39010, 48175, 68060, 78020, 85075, 96350, 97525, 159941, 170150, 192700, 195050, 319882, 340300, 390100, 639764, 799705, 1599410, 3198820, 3998525, 7997050, 15994100]

約数ペア:

[(1, 15994100), (2, 7997050), (4, 3998525), (5, 3198820), (10, 1599410), (20, 799705), (25, 639764), (41, 390100), (47, 340300), (50, 319882), (82, 195050), (83, 192700), (94, 170150), (100, 159941), (164, 97525), (166, 96350), (188, 85075), (205, 78020), (235, 68060), (332, 48175), (410, 39010), (415, 38540), (470, 34030), (820, 19505), (830, 19270), (940, 17015), (1025, 15604), (1175, 13612), (1660, 9635), (1927, 8300), (2050, 7802), (2075, 7708), (2350, 6806), (3403, 4700), (3854, 4150), (3901, 4100)]