66087580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1619}}^1$

素因数の和:1798

約数の個数: 48

約数和(自身を含む): 150504480

約数和(自身を除く): 84416900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 157, 260, 314, 628, 785, 1570, 1619, 2041, 3140, 3238, 4082, 6476, 8095, 8164, 10205, 16190, 20410, 21047, 32380, 40820, 42094, 84188, 105235, 210470, 254183, 420940, 508366, 1016732, 1270915, 2541830, 3304379, 5083660, 6608758, 13217516, 16521895, 33043790, 66087580]

約数ペア:

[(1, 66087580), (2, 33043790), (4, 16521895), (5, 13217516), (10, 6608758), (13, 5083660), (20, 3304379), (26, 2541830), (52, 1270915), (65, 1016732), (130, 508366), (157, 420940), (260, 254183), (314, 210470), (628, 105235), (785, 84188), (1570, 42094), (1619, 40820), (2041, 32380), (3140, 21047), (3238, 20410), (4082, 16190), (6476, 10205), (8095, 8164)]