38406940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1033}}^1$

素因数の和:1079

約数の個数: 72

約数和(自身を含む): 95367888

約数和(自身を除く): 56960948

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, 1033, 1430, 1690, 1859, 2066, 2860, 3380, 3718, 4132, 5165, 7436, 9295, 10330, 11363, 13429, 18590, 20660, 22726, 26858, 37180, 45452, 53716, 56815, 67145, 113630, 134290, 147719, 174577, 227260, 268580, 295438, 349154, 590876, 698308, 738595, 872885, 1477190, 1745770, 1920347, 2954380, 3491540, 3840694, 7681388, 9601735, 19203470, 38406940]

約数ペア:

[(1, 38406940), (2, 19203470), (4, 9601735), (5, 7681388), (10, 3840694), (11, 3491540), (13, 2954380), (20, 1920347), (22, 1745770), (26, 1477190), (44, 872885), (52, 738595), (55, 698308), (65, 590876), (110, 349154), (130, 295438), (143, 268580), (169, 227260), (220, 174577), (260, 147719), (286, 134290), (338, 113630), (572, 67145), (676, 56815), (715, 53716), (845, 45452), (1033, 37180), (1430, 26858), (1690, 22726), (1859, 20660), (2066, 18590), (2860, 13429), (3380, 11363), (3718, 10330), (4132, 9295), (5165, 7436)]