12751960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:340

約数の個数: 64

約数和(自身を含む): 31298400

約数和(自身を除く): 18546440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 137, 179, 260, 274, 358, 520, 548, 685, 716, 895, 1096, 1370, 1432, 1781, 1790, 2327, 2740, 3562, 3580, 4654, 5480, 7124, 7160, 8905, 9308, 11635, 14248, 17810, 18616, 23270, 24523, 35620, 46540, 49046, 71240, 93080, 98092, 122615, 196184, 245230, 318799, 490460, 637598, 980920, 1275196, 1593995, 2550392, 3187990, 6375980, 12751960]

約数ペア:

[(1, 12751960), (2, 6375980), (4, 3187990), (5, 2550392), (8, 1593995), (10, 1275196), (13, 980920), (20, 637598), (26, 490460), (40, 318799), (52, 245230), (65, 196184), (104, 122615), (130, 98092), (137, 93080), (179, 71240), (260, 49046), (274, 46540), (358, 35620), (520, 24523), (548, 23270), (685, 18616), (716, 17810), (895, 14248), (1096, 11635), (1370, 9308), (1432, 8905), (1781, 7160), (1790, 7124), (2327, 5480), (2740, 4654), (3562, 3580)]