51187240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{569}}^1$

素因数の和:766

約数の個数: 64

約数和(自身を含む): 124966800

約数和(自身を除く): 73779560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 173, 260, 346, 520, 569, 692, 865, 1138, 1384, 1730, 2249, 2276, 2845, 3460, 4498, 4552, 5690, 6920, 7397, 8996, 11245, 11380, 14794, 17992, 22490, 22760, 29588, 36985, 44980, 59176, 73970, 89960, 98437, 147940, 196874, 295880, 393748, 492185, 787496, 984370, 1279681, 1968740, 2559362, 3937480, 5118724, 6398405, 10237448, 12796810, 25593620, 51187240]

約数ペア:

[(1, 51187240), (2, 25593620), (4, 12796810), (5, 10237448), (8, 6398405), (10, 5118724), (13, 3937480), (20, 2559362), (26, 1968740), (40, 1279681), (52, 984370), (65, 787496), (104, 492185), (130, 393748), (173, 295880), (260, 196874), (346, 147940), (520, 98437), (569, 89960), (692, 73970), (865, 59176), (1138, 44980), (1384, 36985), (1730, 29588), (2249, 22760), (2276, 22490), (2845, 17992), (3460, 14794), (4498, 11380), (4552, 11245), (5690, 8996), (6920, 7397)]