40217920

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7393}}^1$

素因数の和:7427

約数の個数: 56

約数和(自身を含む): 101416104

約数和(自身を除く): 61198184

約数列:

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

約数ペア:

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