48778847975

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{40013}}^1$

素因数の和:40089

約数の個数: 72

約数和(自身を含む): 73910019456

約数和(自身を除く): 25131171481

約数列:

[1, 5, 11, 13, 25, 31, 55, 65, 121, 143, 155, 275, 325, 341, 403, 605, 715, 775, 1573, 1705, 2015, 3025, 3575, 3751, 4433, 7865, 8525, 10075, 18755, 22165, 39325, 40013, 48763, 93775, 110825, 200065, 243815, 440143, 520169, 1000325, 1219075, 1240403, 2200715, 2600845, 4841573, 5721859, 6202015, 11003575, 13004225, 13644433, 16125239, 24207865, 28609295, 31010075, 62940449, 68222165, 80626195, 121039325, 143046475, 150088763, 177377629, 314702245, 341110825, 403130975, 750443815, 886888145, 1573511225, 1951153919, 3752219075, 4434440725, 9755769595, 48778847975]

約数ペア:

[(1, 48778847975), (5, 9755769595), (11, 4434440725), (13, 3752219075), (25, 1951153919), (31, 1573511225), (55, 886888145), (65, 750443815), (121, 403130975), (143, 341110825), (155, 314702245), (275, 177377629), (325, 150088763), (341, 143046475), (403, 121039325), (605, 80626195), (715, 68222165), (775, 62940449), (1573, 31010075), (1705, 28609295), (2015, 24207865), (3025, 16125239), (3575, 13644433), (3751, 13004225), (4433, 11003575), (7865, 6202015), (8525, 5721859), (10075, 4841573), (18755, 2600845), (22165, 2200715), (39325, 1240403), (40013, 1219075), (48763, 1000325), (93775, 520169), (110825, 440143), (200065, 243815)]