51156560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7027}}^1$

素因数の和:7060

約数の個数: 80

約数和(自身を含む): 146407296

約数和(自身を除く): 95250736

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7027, 7280, 14054, 28108, 35135, 49189, 56216, 70270, 91351, 98378, 112432, 140540, 182702, 196756, 245945, 281080, 365404, 393512, 456755, 491890, 562160, 639457, 730808, 787024, 913510, 983780, 1278914, 1461616, 1827020, 1967560, 2557828, 3197285, 3654040, 3935120, 5115656, 6394570, 7308080, 10231312, 12789140, 25578280, 51156560]

約数ペア:

[(1, 51156560), (2, 25578280), (4, 12789140), (5, 10231312), (7, 7308080), (8, 6394570), (10, 5115656), (13, 3935120), (14, 3654040), (16, 3197285), (20, 2557828), (26, 1967560), (28, 1827020), (35, 1461616), (40, 1278914), (52, 983780), (56, 913510), (65, 787024), (70, 730808), (80, 639457), (91, 562160), (104, 491890), (112, 456755), (130, 393512), (140, 365404), (182, 281080), (208, 245945), (260, 196756), (280, 182702), (364, 140540), (455, 112432), (520, 98378), (560, 91351), (728, 70270), (910, 56216), (1040, 49189), (1456, 35135), (1820, 28108), (3640, 14054), (7027, 7280)]