82887740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:351

約数の個数: 72

約数和(自身を含む): 190920240

約数和(自身を除く): 108032500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 137, 169, 179, 260, 274, 338, 358, 548, 676, 685, 716, 845, 895, 1370, 1690, 1781, 1790, 2327, 2740, 3380, 3562, 3580, 4654, 7124, 8905, 9308, 11635, 17810, 23153, 23270, 24523, 30251, 35620, 46306, 46540, 49046, 60502, 92612, 98092, 115765, 121004, 122615, 151255, 231530, 245230, 302510, 318799, 463060, 490460, 605020, 637598, 1275196, 1593995, 3187990, 4144387, 6375980, 8288774, 16577548, 20721935, 41443870, 82887740]

約数ペア:

[(1, 82887740), (2, 41443870), (4, 20721935), (5, 16577548), (10, 8288774), (13, 6375980), (20, 4144387), (26, 3187990), (52, 1593995), (65, 1275196), (130, 637598), (137, 605020), (169, 490460), (179, 463060), (260, 318799), (274, 302510), (338, 245230), (358, 231530), (548, 151255), (676, 122615), (685, 121004), (716, 115765), (845, 98092), (895, 92612), (1370, 60502), (1690, 49046), (1781, 46540), (1790, 46306), (2327, 35620), (2740, 30251), (3380, 24523), (3562, 23270), (3580, 23153), (4654, 17810), (7124, 11635), (8905, 9308)]