65947180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:323

約数の個数: 72

約数和(自身を含む): 152182800

約数和(自身を除く): 86235620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 169, 179, 218, 260, 338, 358, 436, 545, 676, 716, 845, 895, 1090, 1417, 1690, 1790, 2180, 2327, 2834, 3380, 3580, 4654, 5668, 7085, 9308, 11635, 14170, 18421, 19511, 23270, 28340, 30251, 36842, 39022, 46540, 60502, 73684, 78044, 92105, 97555, 121004, 151255, 184210, 195110, 253643, 302510, 368420, 390220, 507286, 605020, 1014572, 1268215, 2536430, 3297359, 5072860, 6594718, 13189436, 16486795, 32973590, 65947180]

約数ペア:

[(1, 65947180), (2, 32973590), (4, 16486795), (5, 13189436), (10, 6594718), (13, 5072860), (20, 3297359), (26, 2536430), (52, 1268215), (65, 1014572), (109, 605020), (130, 507286), (169, 390220), (179, 368420), (218, 302510), (260, 253643), (338, 195110), (358, 184210), (436, 151255), (545, 121004), (676, 97555), (716, 92105), (845, 78044), (895, 73684), (1090, 60502), (1417, 46540), (1690, 39022), (1790, 36842), (2180, 30251), (2327, 28340), (2834, 23270), (3380, 19511), (3580, 18421), (4654, 14170), (5668, 11635), (7085, 9308)]