51322960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{809}}^1$

素因数の和:896

約数の個数: 80

約数和(自身を含む): 130772880

約数和(自身を除く): 79449920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 61, 65, 80, 104, 122, 130, 208, 244, 260, 305, 488, 520, 610, 793, 809, 976, 1040, 1220, 1586, 1618, 2440, 3172, 3236, 3965, 4045, 4880, 6344, 6472, 7930, 8090, 10517, 12688, 12944, 15860, 16180, 21034, 31720, 32360, 42068, 49349, 52585, 63440, 64720, 84136, 98698, 105170, 168272, 197396, 210340, 246745, 394792, 420680, 493490, 641537, 789584, 841360, 986980, 1283074, 1973960, 2566148, 3207685, 3947920, 5132296, 6415370, 10264592, 12830740, 25661480, 51322960]

約数ペア:

[(1, 51322960), (2, 25661480), (4, 12830740), (5, 10264592), (8, 6415370), (10, 5132296), (13, 3947920), (16, 3207685), (20, 2566148), (26, 1973960), (40, 1283074), (52, 986980), (61, 841360), (65, 789584), (80, 641537), (104, 493490), (122, 420680), (130, 394792), (208, 246745), (244, 210340), (260, 197396), (305, 168272), (488, 105170), (520, 98698), (610, 84136), (793, 64720), (809, 63440), (976, 52585), (1040, 49349), (1220, 42068), (1586, 32360), (1618, 31720), (2440, 21034), (3172, 16180), (3236, 15860), (3965, 12944), (4045, 12688), (4880, 10517), (6344, 8090), (6472, 7930)]