1638113620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{44059}}^1$

素因数の和:44105

約数の個数: 72

約数和(自身を含む): 4063741920

約数和(自身を除く): 2425628300

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 169, 220, 260, 286, 338, 572, 676, 715, 845, 1430, 1690, 1859, 2860, 3380, 3718, 7436, 9295, 18590, 37180, 44059, 88118, 176236, 220295, 440590, 484649, 572767, 881180, 969298, 1145534, 1938596, 2291068, 2423245, 2863835, 4846490, 5727670, 6300437, 7445971, 9692980, 11455340, 12600874, 14891942, 25201748, 29783884, 31502185, 37229855, 63004370, 74459710, 81905681, 126008740, 148919420, 163811362, 327622724, 409528405, 819056810, 1638113620]

約数ペア:

[(1, 1638113620), (2, 819056810), (4, 409528405), (5, 327622724), (10, 163811362), (11, 148919420), (13, 126008740), (20, 81905681), (22, 74459710), (26, 63004370), (44, 37229855), (52, 31502185), (55, 29783884), (65, 25201748), (110, 14891942), (130, 12600874), (143, 11455340), (169, 9692980), (220, 7445971), (260, 6300437), (286, 5727670), (338, 4846490), (572, 2863835), (676, 2423245), (715, 2291068), (845, 1938596), (1430, 1145534), (1690, 969298), (1859, 881180), (2860, 572767), (3380, 484649), (3718, 440590), (7436, 220295), (9295, 176236), (18590, 88118), (37180, 44059)]