20000577025

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{7591}}^1$

素因数の和:7703

約数の個数: 72

約数和(自身を含む): 29799328832

約数和(自身を除く): 9798751807

約数列:

[1, 5, 11, 13, 25, 55, 65, 67, 121, 143, 275, 325, 335, 605, 715, 737, 871, 1573, 1675, 3025, 3575, 3685, 4355, 7591, 7865, 8107, 9581, 18425, 21775, 37955, 39325, 40535, 47905, 83501, 98683, 105391, 189775, 202675, 239525, 417505, 493415, 508597, 526955, 918511, 1085513, 2087525, 2467075, 2542985, 2634775, 4592555, 5427565, 5594567, 6611761, 11940643, 12714925, 22962775, 27137825, 27972835, 33058805, 59703215, 61540237, 72729371, 139864175, 165294025, 298516075, 307701185, 363646855, 800023081, 1538505925, 1818234275, 4000115405, 20000577025]

約数ペア:

[(1, 20000577025), (5, 4000115405), (11, 1818234275), (13, 1538505925), (25, 800023081), (55, 363646855), (65, 307701185), (67, 298516075), (121, 165294025), (143, 139864175), (275, 72729371), (325, 61540237), (335, 59703215), (605, 33058805), (715, 27972835), (737, 27137825), (871, 22962775), (1573, 12714925), (1675, 11940643), (3025, 6611761), (3575, 5594567), (3685, 5427565), (4355, 4592555), (7591, 2634775), (7865, 2542985), (8107, 2467075), (9581, 2087525), (18425, 1085513), (21775, 918511), (37955, 526955), (39325, 508597), (40535, 493415), (47905, 417505), (83501, 239525), (98683, 202675), (105391, 189775)]