80435840

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7393}}^1$

素因数の和:7429

約数の個数: 64

約数和(自身を含む): 203630760

約数和(自身を除く): 123194920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 5440, 7393, 10880, 14786, 29572, 36965, 59144, 73930, 118288, 125681, 147860, 236576, 251362, 295720, 473152, 502724, 591440, 628405, 946304, 1005448, 1182880, 1256810, 2010896, 2365760, 2513620, 4021792, 4731520, 5027240, 8043584, 10054480, 16087168, 20108960, 40217920, 80435840]

約数ペア:

[(1, 80435840), (2, 40217920), (4, 20108960), (5, 16087168), (8, 10054480), (10, 8043584), (16, 5027240), (17, 4731520), (20, 4021792), (32, 2513620), (34, 2365760), (40, 2010896), (64, 1256810), (68, 1182880), (80, 1005448), (85, 946304), (128, 628405), (136, 591440), (160, 502724), (170, 473152), (272, 295720), (320, 251362), (340, 236576), (544, 147860), (640, 125681), (680, 118288), (1088, 73930), (1360, 59144), (2176, 36965), (2720, 29572), (5440, 14786), (7393, 10880)]