78712660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2311}}^1$

素因数の和:2464

約数の個数: 48

約数和(自身を含む): 179448192

約数和(自身を除く): 100735532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 260, 262, 524, 655, 1310, 1703, 2311, 2620, 3406, 4622, 6812, 8515, 9244, 11555, 17030, 23110, 30043, 34060, 46220, 60086, 120172, 150215, 300430, 302741, 600860, 605482, 1210964, 1513705, 3027410, 3935633, 6054820, 7871266, 15742532, 19678165, 39356330, 78712660]

約数ペア:

[(1, 78712660), (2, 39356330), (4, 19678165), (5, 15742532), (10, 7871266), (13, 6054820), (20, 3935633), (26, 3027410), (52, 1513705), (65, 1210964), (130, 605482), (131, 600860), (260, 302741), (262, 300430), (524, 150215), (655, 120172), (1310, 60086), (1703, 46220), (2311, 34060), (2620, 30043), (3406, 23110), (4622, 17030), (6812, 11555), (8515, 9244)]