72940075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 103118400

約数和(自身を除く): 30178325

約数列:

[1, 5, 13, 25, 29, 65, 71, 109, 145, 325, 355, 377, 545, 725, 923, 1417, 1775, 1885, 2059, 2725, 3161, 4615, 7085, 7739, 9425, 10295, 15805, 23075, 26767, 35425, 38695, 41093, 51475, 79025, 100607, 133835, 193475, 205465, 224431, 503035, 669175, 1027325, 1122155, 2515175, 2917603, 5610775, 14588015, 72940075]

約数ペア:

[(1, 72940075), (5, 14588015), (13, 5610775), (25, 2917603), (29, 2515175), (65, 1122155), (71, 1027325), (109, 669175), (145, 503035), (325, 224431), (355, 205465), (377, 193475), (545, 133835), (725, 100607), (923, 79025), (1417, 51475), (1775, 41093), (1885, 38695), (2059, 35425), (2725, 26767), (3161, 23075), (4615, 15805), (7085, 10295), (7739, 9425)]