51387710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:317

約数の個数: 64

約数和(自身を含む): 106142400

約数和(自身を除く): 54754690

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 89, 110, 145, 178, 181, 290, 319, 362, 445, 638, 890, 905, 979, 1595, 1810, 1958, 1991, 2581, 3190, 3982, 4895, 5162, 5249, 9790, 9955, 10498, 12905, 16109, 19910, 25810, 26245, 28391, 32218, 52490, 56782, 57739, 80545, 115478, 141955, 161090, 177199, 283910, 288695, 354398, 467161, 577390, 885995, 934322, 1771990, 2335805, 4671610, 5138771, 10277542, 25693855, 51387710]

約数ペア:

[(1, 51387710), (2, 25693855), (5, 10277542), (10, 5138771), (11, 4671610), (22, 2335805), (29, 1771990), (55, 934322), (58, 885995), (89, 577390), (110, 467161), (145, 354398), (178, 288695), (181, 283910), (290, 177199), (319, 161090), (362, 141955), (445, 115478), (638, 80545), (890, 57739), (905, 56782), (979, 52490), (1595, 32218), (1810, 28391), (1958, 26245), (1991, 25810), (2581, 19910), (3190, 16109), (3982, 12905), (4895, 10498), (5162, 9955), (5249, 9790)]