128163080

素因数分解:

$2^3\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{2459}}^1$

素因数の和:3773

約数の個数: 32

約数和(自身を含む): 288705600

約数和(自身を除く): 160542520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1303, 2459, 2606, 4918, 5212, 6515, 9836, 10424, 12295, 13030, 19672, 24590, 26060, 49180, 52120, 98360, 3204077, 6408154, 12816308, 16020385, 25632616, 32040770, 64081540, 128163080]

約数ペア:

[(1, 128163080), (2, 64081540), (4, 32040770), (5, 25632616), (8, 16020385), (10, 12816308), (20, 6408154), (40, 3204077), (1303, 98360), (2459, 52120), (2606, 49180), (4918, 26060), (5212, 24590), (6515, 19672), (9836, 13030), (10424, 12295)]