8135420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 18278400

約数和(自身を除く): 10142980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 271, 316, 380, 395, 542, 790, 1084, 1355, 1501, 1580, 2710, 3002, 5149, 5420, 6004, 7505, 10298, 15010, 20596, 21409, 25745, 30020, 42818, 51490, 85636, 102980, 107045, 214090, 406771, 428180, 813542, 1627084, 2033855, 4067710, 8135420]

約数ペア:

[(1, 8135420), (2, 4067710), (4, 2033855), (5, 1627084), (10, 813542), (19, 428180), (20, 406771), (38, 214090), (76, 107045), (79, 102980), (95, 85636), (158, 51490), (190, 42818), (271, 30020), (316, 25745), (380, 21409), (395, 20596), (542, 15010), (790, 10298), (1084, 7505), (1355, 6004), (1501, 5420), (1580, 5149), (2710, 3002)]