64432940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1733}}^1$

素因数の和:1779

約数の個数: 72

約数和(自身を含む): 159930288

約数和(自身を除く): 95497348

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, 1733, 1859, 2860, 3380, 3466, 3718, 6932, 7436, 8665, 9295, 17330, 18590, 19063, 22529, 34660, 37180, 38126, 45058, 76252, 90116, 95315, 112645, 190630, 225290, 247819, 292877, 381260, 450580, 495638, 585754, 991276, 1171508, 1239095, 1464385, 2478190, 2928770, 3221647, 4956380, 5857540, 6443294, 12886588, 16108235, 32216470, 64432940]

約数ペア:

[(1, 64432940), (2, 32216470), (4, 16108235), (5, 12886588), (10, 6443294), (11, 5857540), (13, 4956380), (20, 3221647), (22, 2928770), (26, 2478190), (44, 1464385), (52, 1239095), (55, 1171508), (65, 991276), (110, 585754), (130, 495638), (143, 450580), (169, 381260), (220, 292877), (260, 247819), (286, 225290), (338, 190630), (572, 112645), (676, 95315), (715, 90116), (845, 76252), (1430, 45058), (1690, 38126), (1733, 37180), (1859, 34660), (2860, 22529), (3380, 19063), (3466, 18590), (3718, 17330), (6932, 9295), (7436, 8665)]