56490040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{311}}^1$

素因数の和:580

約数の個数: 64

約数和(自身を含む): 134784000

約数和(自身を除く): 78293960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 239, 311, 380, 478, 622, 760, 956, 1195, 1244, 1555, 1912, 2390, 2488, 3110, 4541, 4780, 5909, 6220, 9082, 9560, 11818, 12440, 18164, 22705, 23636, 29545, 36328, 45410, 47272, 59090, 74329, 90820, 118180, 148658, 181640, 236360, 297316, 371645, 594632, 743290, 1412251, 1486580, 2824502, 2973160, 5649004, 7061255, 11298008, 14122510, 28245020, 56490040]

約数ペア:

[(1, 56490040), (2, 28245020), (4, 14122510), (5, 11298008), (8, 7061255), (10, 5649004), (19, 2973160), (20, 2824502), (38, 1486580), (40, 1412251), (76, 743290), (95, 594632), (152, 371645), (190, 297316), (239, 236360), (311, 181640), (380, 148658), (478, 118180), (622, 90820), (760, 74329), (956, 59090), (1195, 47272), (1244, 45410), (1555, 36328), (1912, 29545), (2390, 23636), (2488, 22705), (3110, 18164), (4541, 12440), (4780, 11818), (5909, 9560), (6220, 9082)]